diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index a5ba3ef4..cd3ff1e0 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -347,6 +347,13 @@
     <Compile Include="TamaSoft\AudioESD.cs" />
     <Compile Include="TamaSoft\ImageBTN.cs" />
     <Compile Include="TamaSoft\ImageSUR.cs" />
+    <Compile Include="Tanaka\ArcARC0.cs" />
+    <Compile Include="Tanaka\ArcBMX.cs" />
+    <Compile Include="Tanaka\ArcMBF.cs" />
+    <Compile Include="Tanaka\ArcVPK.cs" />
+    <Compile Include="Tanaka\ArcWRC.cs" />
+    <Compile Include="Tanaka\ArcWSM.cs" />
+    <Compile Include="Tanaka\ImageBC.cs" />
     <Compile Include="TanukiSoft\ArcTAC.cs" />
     <Compile Include="Taskforce\ArcDAT.cs" />
     <Compile Include="TechnoBrain\AudioWAPE.cs" />
diff --git a/ArcFormats/Tanaka/ArcARC0.cs b/ArcFormats/Tanaka/ArcARC0.cs
new file mode 100644
index 00000000..82805506
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcARC0.cs
@@ -0,0 +1,72 @@
+//! \file       ArcARC0.cs
+//! \date       Sat Jan 28 17:58:01 2017
+//! \brief      Archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class Arc0Opener : ArchiveFormat
+    {
+        public override string         Tag { get { return "ARC0/WILL"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine resource archive"; } }
+        public override uint     Signature { get { return 0x30435241; } } // 'ARC0'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public Arc0Opener ()
+        {
+            Extensions = new string[] { "arc" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint total_size = file.View.ReadUInt32 (4);
+            if (total_size != file.MaxOffset)
+                return null;
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            var dir = new List<Entry> (count);
+            uint index_offset = 0x10;
+            for (int i = 0; i < count; ++i)
+            {
+                uint offset = file.View.ReadUInt32 (index_offset);
+                uint size   = file.View.ReadUInt32 (index_offset+4);
+                var name = file.View.ReadString (index_offset+0xC, 0x14);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = offset;
+                entry.Size = size;
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x20;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ArcBMX.cs b/ArcFormats/Tanaka/ArcBMX.cs
new file mode 100644
index 00000000..87546767
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcBMX.cs
@@ -0,0 +1,82 @@
+//! \file       ArcBMX.cs
+//! \date       Sat Jan 28 17:16:32 2017
+//! \brief      Archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class BmxOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "BMX"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint total_size = file.View.ReadUInt32 (0);
+            if (total_size != file.MaxOffset)
+                return null;
+            int count = file.View.ReadInt32 (4);
+            if (!IsSaneCount (count))
+                return null;
+
+            var dir = new List<Entry> (count);
+            uint index_offset = 0x10;
+            uint next_offset = file.View.ReadUInt32 (index_offset+0x1C);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 0x1C);
+                if (0 == name.Length)
+                    break;
+                index_offset += 0x20;
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = next_offset;
+                if (i+1 < count)
+                {
+                    next_offset = file.View.ReadUInt32 (index_offset+0x1C);
+                    if (0 == next_offset)
+                        next_offset = (uint)file.MaxOffset;
+                }
+                else
+                {
+                    next_offset = (uint)file.MaxOffset;
+                }
+                entry.Size = (uint)(next_offset - entry.Offset);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                if (string.IsNullOrEmpty (entry.Type))
+                    entry.Type = "image";
+                dir.Add (entry);
+            }
+            if (0 == dir.Count)
+                return null;
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ArcMBF.cs b/ArcFormats/Tanaka/ArcMBF.cs
new file mode 100644
index 00000000..e4bd3214
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcMBF.cs
@@ -0,0 +1,79 @@
+//! \file       ArcMBF.cs
+//! \date       Sat Jan 28 18:07:18 2017
+//! \brief      Graphic archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class MbfOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "MBF"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine image archive"; } }
+        public override uint     Signature { get { return 0x3046424D; } } // 'MBF0'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (4);
+            if (!IsSaneCount (count))
+                return null;
+            uint data_offset = file.View.ReadUInt32 (8);
+            uint index_offset = 0x20;
+            if (0 != (file.View.ReadByte (0xC) & 1))
+            {
+                index_offset += file.View.ReadUInt16 (index_offset);
+                --count;
+            }
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                uint name_length = file.View.ReadUInt16 (index_offset);
+                if (name_length < 3)
+                    return null;
+                var name = file.View.ReadString (index_offset+2, name_length-2);
+                if (0 == name.Length)
+                    return null;
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                dir.Add (entry);
+                index_offset += name_length;
+            }
+            foreach (var entry in dir)
+            {
+                if (!file.View.AsciiEqual (data_offset, "BC"))
+                    return null;
+                entry.Offset = data_offset;
+                entry.Size = file.View.ReadUInt32 (data_offset+2);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                entry.Type = "image";
+                data_offset += entry.Size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ArcVPK.cs b/ArcFormats/Tanaka/ArcVPK.cs
new file mode 100644
index 00000000..408815c0
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcVPK.cs
@@ -0,0 +1,82 @@
+//! \file       ArcVPK.cs
+//! \date       Sun Jan 29 04:57:12 2017
+//! \brief      Audio archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class VpkOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "VPK1"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine audio archive"; } }
+        public override uint     Signature { get { return 0x314B5056; } } // 'VPK1'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public VpkOpener ()
+        {
+            Extensions = new string[] { "vpk" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint data_size = file.View.ReadUInt32 (4);
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint index_offset = 0x20;
+            uint index_size = file.View.ReadUInt32 (0xC);
+            if (data_size + index_size != file.MaxOffset)
+                return null;
+            long data_offset = index_offset + index_size;
+            if (data_offset >= file.MaxOffset || data_offset <= index_offset)
+                return null;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 4);
+                if (0 == name.Length)
+                    return null;
+                uint n1 = file.View.ReadUInt16 (index_offset+4);
+                uint n2 = file.View.ReadUInt16 (index_offset+6);
+                uint n3 = file.View.ReadUInt32 (index_offset+8);
+                name = string.Format ("{0}_{1:D2}_{2}_{3:D3}.wav", name, n1, n2, n3);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0x0C);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0x10);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x14;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ArcWRC.cs b/ArcFormats/Tanaka/ArcWRC.cs
new file mode 100644
index 00000000..d3026ba4
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcWRC.cs
@@ -0,0 +1,71 @@
+//! \file       ArcWRC.cs
+//! \date       Sun Jan 29 05:18:02 2017
+//! \brief      Audio archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class WrcOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "WRC"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine audio archive"; } }
+        public override uint     Signature { get { return 0x30585657; } } // 'WVX0'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint total_size = file.View.ReadUInt32 (4);
+            if (total_size != file.MaxOffset)
+                return null;
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            var dir = new List<Entry> (count);
+            uint index_offset = 0x10;
+            uint next_offset = file.View.ReadUInt32 (index_offset+0x1C);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 0x1C);
+                if (0 == name.Length)
+                    return null;
+                index_offset += 0x20;
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = next_offset;
+                next_offset = i+1 < count ? file.View.ReadUInt32 (index_offset+0x1C) : (uint)file.MaxOffset;
+                entry.Size = (uint)(next_offset - entry.Offset);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                if (string.IsNullOrEmpty (entry.Type))
+                    entry.Type = "audio";
+                dir.Add (entry);
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ArcWSM.cs b/ArcFormats/Tanaka/ArcWSM.cs
new file mode 100644
index 00000000..ce0b7742
--- /dev/null
+++ b/ArcFormats/Tanaka/ArcWSM.cs
@@ -0,0 +1,80 @@
+//! \file       ArcWSM.cs
+//! \date       Sun Jan 29 05:30:28 2017
+//! \brief      Music archive format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class WsmOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "WSM"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine music archive"; } }
+        public override uint     Signature { get { return 0x324D5357; } } // 'WSM2'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint index_size = file.View.ReadUInt32 (4);
+            int count = file.View.ReadInt32 (0xC);
+            if (!IsSaneCount (count) || index_size >= file.MaxOffset - 0x40)
+                return null;
+            int table_offset = file.View.ReadInt32 (0x10);
+            int table_count = file.View.ReadInt32 (0x14);
+            if (table_offset >= index_size || !IsSaneCount (table_count))
+                return null;
+            var index = file.View.ReadBytes (0x40, index_size);
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < table_count; ++i)
+            {
+                var entry = new Entry { Type = "audio" };
+                entry.Offset = index.ToUInt32 (table_offset) - 0x14;
+                entry.Size   = index.ToUInt32 (table_offset+8) + 0x14;
+                table_offset += 0x20;
+                dir.Add (entry);
+            }
+            int index_offset = 0;
+            for (int i = 0; i < count; ++i)
+            {
+                int entry_pos = index.ToInt32 (index_offset);
+                index_offset += 4;
+                int name_length = index[entry_pos+1];
+                var name = Binary.GetCString (index, entry_pos+2, name_length-2);
+                if (0 == name.Length)
+                    return null;
+                entry_pos += name_length;
+                int entry_idx = index[entry_pos+3];
+                if (entry_idx >= dir.Count)
+                    return null;
+                var entry = dir[entry_idx];
+                entry.Name = string.Format ("{0:D2}_{1}.wav", entry_idx, name);
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
diff --git a/ArcFormats/Tanaka/ImageBC.cs b/ArcFormats/Tanaka/ImageBC.cs
new file mode 100644
index 00000000..b80d2553
--- /dev/null
+++ b/ArcFormats/Tanaka/ImageBC.cs
@@ -0,0 +1,204 @@
+//! \file       ImageBC.cs
+//! \date       Sat Jan 28 18:21:09 2017
+//! \brief      Image format by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Will
+{
+    internal class TxMetaData : BmpMetaData
+    {
+        public int  Colors;
+        public int  Stride;
+        public long DataOffset;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class BcFormat : ImageFormat
+    {
+        public override string         Tag { get { return "BC"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x12);
+            if (!header.AsciiEqual ("BC"))
+                return null;
+            uint data_offset = header.ToUInt32 (0xA);
+            uint width  = file.ReadUInt32();
+            uint height = file.ReadUInt32();
+            file.ReadInt16();
+            int bpp = file.ReadInt16();
+            file.Position = 0x2E;
+            int colors = file.ReadInt32();
+            file.Position = data_offset;
+            if (file.ReadUInt32() != 0x34305854) // 'TX04'
+                return null;
+            int stride = file.ReadUInt16();
+            if (height != file.ReadUInt16())
+                return null;
+            return new TxMetaData
+            {
+                Width = width,
+                Height = height,
+                BPP = bpp,
+                Stride = stride,
+                DataOffset = file.Position,
+                Colors = colors <= 0 ? 0x100 : colors,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var reader = new TxReader (file, (TxMetaData)info);
+            var pixels = reader.Unpack();
+            return ImageData.CreateFlipped (info, reader.Format, reader.Palette, pixels, reader.Stride);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("BcFormat.Write not implemented");
+        }
+    }
+
+    internal class TxReader
+    {
+        IBinaryStream   m_input;
+        TxMetaData      m_info;
+        byte[]          m_output;
+
+        public PixelFormat    Format { get; private set; }
+        public BitmapPalette Palette { get; private set; }
+        public byte[]           Data { get { return m_output; } }
+        public int            Stride { get { return m_info.Stride; } }
+
+        public TxReader (IBinaryStream input, TxMetaData info)
+        {
+            m_input = input;
+            m_info = info;
+            m_output = new byte[m_info.Stride * (int)m_info.Height];
+            if (24 == m_info.BPP)
+                Format = PixelFormats.Bgr24;
+            else if (32 == m_info.BPP)
+                Format = PixelFormats.Bgra32;
+            else if (16 == m_info.BPP)
+                Format = PixelFormats.Bgr555;
+            else if (8 == m_info.BPP)
+            {
+                Format = PixelFormats.Indexed8;
+                m_input.Position = 0x36;
+                Palette = ImageFormat.ReadPalette (m_input.AsStream, m_info.Colors);
+            }
+            else
+                throw new InvalidFormatException();
+        }
+
+        public byte[] Unpack ()
+        {
+            m_input.Position = m_info.DataOffset;
+            Decompress();
+            int pixel_size = m_info.BPP / 8;
+            if (pixel_size > 1)
+            {
+                for (int row = 0; row < m_output.Length; row += m_info.Stride)
+                {
+                    int dst = row;
+                    for (uint x = 1; x < m_info.Width; ++x)
+                    {
+                        for (int i = 0; i < pixel_size; ++i)
+                            m_output[dst+pixel_size+i] += m_output[dst+i];
+                        dst += pixel_size;
+                    }
+                }
+            }
+            return m_output;
+        }
+
+        void Decompress ()
+        {
+            m_input.Read (m_output, 0, 2);
+            int dst = 2;
+            while (dst < m_output.Length)
+            {
+                int count = m_input.ReadByte();
+                if (-1 == count)
+                    break;
+                if (0xE0 == (count & 0xE0))
+                {
+                    count = Math.Min ((count & 0x1F) + 1, m_output.Length - dst);
+                    m_input.Read (m_output, dst, count);
+                    dst += count;
+                    continue;
+                }
+                int offset, src;
+                if (0xC0 == (count & 0xE0))
+                {
+                    // this is how it is in the original code
+                    offset = (count + (m_input.ReadUInt8() << 5)) & 0x1F;
+                    count = m_input.ReadUInt8();
+                    src = dst - 1 - offset;
+                }
+                else if (0 == (count & 0xC0))
+                {
+                    offset = (count >> 3) & 7;
+                    count &= 7;
+                    if (count != 7)
+                        count += 2;
+                    else
+                        count = m_input.ReadUInt8();
+                    src = dst - 1 - offset;
+                }
+                else if (0x40 == (count & 0xC0))
+                {
+                    offset = (count >> 2) & 0xF;
+                    count &= 3;
+                    if (count != 3)
+                        count += 2;
+                    else
+                        count = m_input.ReadUInt8();
+                    src = dst - Stride + offset - 8;
+                }
+                else
+                {
+                    offset = (count >> 2) & 0xF;
+                    count &= 3;
+                    if (count != 3)
+                        count += 2;
+                    else
+                        count = m_input.ReadUInt8();
+                    src = dst - Stride * 2 + offset - 8;
+                }
+                count = Math.Min (count, m_output.Length - dst);
+                Binary.CopyOverlapped (m_output, src, dst, count);
+                dst += count;
+            }
+        }
+    }
+}
diff --git a/supported.html b/supported.html
index 3d35b97c..2347b2bb 100644
--- a/supported.html
+++ b/supported.html
@@ -435,6 +435,7 @@ Touka Gettan<br/>
 </td></tr>
 <tr class="odd last"><td>*</td><td><tt>\x00\x00\x04\x00</tt></td><td>No</td></tr>
 <tr><td>*.war</td><td><tt>WARC 1.7</tt><br/><tt>WARC 1.5</tt><br/><tt>WARC 1.4</tt><br/><tt>WARC 1.3</tt><br/><tt>WARC 1.2</tt></td><td>No</td><td rowspan="5">Shiina Rio</td><td rowspan="5">
+Ao no Juuai <span class="footnote">ShiinaRio v2.34</span><br/>
 Aneiro <span class="footnote">ShiinaRio v2.49</span><br/>
 Can Fes! ~Itazura Majo to Naisho no Gakuensai~ <span class="footnote">ShiinaRio v2.47</span><br/>
 Chikan Circle <span class="footnote">ShiinaRio v2.46</span><br/>
@@ -443,7 +444,9 @@ Chuuchuu Nurse <span class="footnote">ShiinaRio v2.45</span><br/>
 Classmate no Okaa-san <span class="footnote">ShiinaRio v2.37</span><br/>
 Cleavage <span class="footnote">ShiinaRio v2.33</span><br/>
 Danchi Wife ~Hitozuma Nude Model no Kenshin~ <span class="footnote">ShiinaRio v2.47</span><br/>
+Dokodemo Sukishite Itsudemo Sukishite <span class="footnote">ShiinaRio v2.44</span><br/>
 Doushite Daite Kurenai no!?<span class="footnote">ShiinaRio v2.49</span><br/>
+Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~ <span class="footnote">ShiinaRio v2.46</span><br/>
 Draculius <span class="footnote">ShiinaRio v2.38</span><br/>
 Enkaku Sousa <span class="footnote">2.36 or 2.37</span><br/>
 Gensou no Idea ~Oratorio Phantasm Historia~<span class="footnote">ShiinaRio v2.49</span><br/>
@@ -458,6 +461,8 @@ Hitozuma Onna Kyoushi Reika <span class="footnote">ShiinaRio v2.39</span><br/>
 Idol Koukai Chijoku Sex <span class="footnote">ShiinaRio v2.46</span><br/>
 Intruder <span class="footnote">ShiinaRio v2.49</span><br/>
 Itsuka, Dokoka de ~Ano Ameoto no Kioku~<span class="footnote">2.36 or 2.37</span><br/>
+Iyashinbo The Motion <span class="footnote">ShiinaRio v2.47</span><br/>
+Jukubo Gui ~Moto Guradoru no Okaa-san~ <span class="footnote">ShiinaRio v2.37</span><br/>
 Kateinai Choukyou <span class="footnote">ShiinaRio v2.31</span><br/>
 Kichiku Nakadashi Suieibu<span class="footnote">ShiinaRio v2.41</span><br/>
 Last Waltz ~Hakudaku Mamire no Natsu Gasshuku~ <span class="footnote">ShiinaRio v2.47</span><br/>
@@ -478,6 +483,7 @@ Rin×Sen <span class="footnote">ShiinaRio v2.47</span><br/>
 Ryoumaden ~Houkago no Rakuen~ <span class="footnote">ShiinaRio v2.47</span><br/>
 Sabae no Ou <span class="footnote">ShiinaRio v2.36</span><br/>
 Shinigami no Testament <span class="footnote">ShiinaRio v2.49</span><br/>
+Shinseki no Oba-san ~Hanare no Netsujo, Honke no Gosai~ <span class="footnote">ShiinaRio v2.36</span><br/>
 Shojo Mama<span class="footnote">ShiinaRio v2.49</span><br/>
 Signalist Stars!!<span class="footnote">ShiinaRio v2.50</span><br/>
 Sorcery Jokers<span class="footnote">ShiinaRio v2.50</span><br/>
@@ -1081,8 +1087,10 @@ Hitomi no Rakuin ~Inbaku no Mesu Dorei~<br/>
 Jokujima<br/>
 Saiin Haramase Keyword<br/>
 </td></tr>
-<tr class="odd"><td>*.grp<br/>*.bin</td><td>-<br/><tt>TPW</tt></td><td>No</td><td>Tirol<br/>Ankh</td><td>
+<tr class="odd"><td>*.grp<br/>*.bin</td><td>-<br/><tt>TPW</tt></td><td>No</td><td>Tirol<br/>Talisman<br/>Ankh</td><td>
 Aigan Shoujo<br/>
+Blaze of Destiny<br/>
+Blaze of Destiny II<br/>
 Mozu<br/>
 </td></tr>
 <tr><td>*.gpc</td><td><tt>Gpc7</tt></td><td>No</td><td>Super NekoX</td><td>
@@ -1287,6 +1295,7 @@ Lost Child<br/>
 <tr class="odd last"><td>*.esd</td><td><tt>ESD</tt></td><td>No</td></tr>
 <tr><td>*.pak</td><td><tt>NEKOPACK4A</tt></td><td>No</td><td>NekoSDK</td><td>
 In Vitro Shoujo -Aragaishi Junshin Naru Shoujo-<br/>
+Kyonyuu Fantasy - Digital Novel<br/>
 Shirudaku Settai Okawari Ippaime<br/>
 </td></tr>
 <tr class="odd"><td>*.pcf</td><td><tt>PackCode</tt></td><td>No</td><td rowspan="2">Symphony</td><td rowspan="2">
@@ -1385,6 +1394,15 @@ Shoukoujo<br/>
 <tr><td>*.arc</td><td><tt>\x00ARC</tt></td><td>No</td><td>One-up</td><td>
 Dedenden!<br/>
 </td></tr>
+<tr class="odd"><td>*.arc</td><td><tt>ARC0</tt></td><td>No</td><td rowspan="7">Will</td><td rowspan="7">
+Bishimai Kutsujoku no Heya<br/>
+</td></tr>
+<tr class="odd"><td>*.bmx</td><td>-</td><td>No</td></tr>
+<tr class="odd"><td>*.mbf</td><td><tt>MBF0</tt></td><td>No</td></tr>
+<tr class="odd"><td>*.vpk</td><td><tt>VPK1</tt></td><td>No</td></tr>
+<tr class="odd"><td>*.wrc</td><td><tt>WVX0</tt></td><td>No</td></tr>
+<tr class="odd"><td>*.wsm</td><td><tt>WSM2</tt></td><td>No</td></tr>
+<tr class="odd"><td>*</td><td><tt>BC</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>