diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 9f491937..3fc0f578 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -88,6 +88,7 @@
     <Compile Include="ArcGameDat.cs" />
     <Compile Include="ArcGSP.cs" />
     <Compile Include="ArcGsPack.cs" />
+    <Compile Include="ArcHED.cs" />
     <Compile Include="ArcIFL.cs" />
     <Compile Include="ArcIKS.cs" />
     <Compile Include="ArcInnGrey.cs" />
@@ -122,6 +123,7 @@
     <Compile Include="ArcRPA.cs" />
     <Compile Include="ArcS25.cs" />
     <Compile Include="ArcSAF.cs" />
+    <Compile Include="ImageHIZ.cs" />
     <Compile Include="ZLibStream.cs" />
     <None Include="ArcSeraph.cs" />
     <Compile Include="ArcSPack.cs" />
diff --git a/ArcFormats/ArcHED.cs b/ArcFormats/ArcHED.cs
new file mode 100644
index 00000000..2d6d9418
--- /dev/null
+++ b/ArcFormats/ArcHED.cs
@@ -0,0 +1,203 @@
+//! \file       ArcHED.cs
+//! \date       Fri Jul 31 19:51:15 2015
+//! \brief      elf AV king archive.
+//
+// Copyright (C) 2015 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;
+using System.Text;
+using System.Text.RegularExpressions;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Elf
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PakOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "BIN/HED"; } }
+        public override string Description { get { return "elf AV King resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public PakOpener ()
+        {
+            Extensions = new string[] { "bin" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            string pak_name = Path.ChangeExtension (file.Name, "pak");
+            if (!File.Exists (pak_name))
+                return null;
+            var file_map = GetFileMap (pak_name);
+            if (null == file_map)
+                return null;
+            string base_name = Path.GetFileNameWithoutExtension (pak_name);
+
+            using (var pak = new ArcView (pak_name))
+            {
+                if (0x00646568 != pak.View.ReadUInt32 (0))
+                    return null;
+                int count = pak.View.ReadInt32 (4);
+                if (count != file_map.Count)
+                    return null;
+                List<Entry> dir;
+                if ("cg" == base_name)
+                    dir = ReadCgPak (pak, file_map);
+                else
+                    dir = ReadVoicePak (pak, file_map);
+                if (null == dir)
+                    return null;
+                return new ArcFile (file, this, dir);
+            }
+        }
+
+        List<Entry> ReadCgPak (ArcView pak, List<string> file_map)
+        {
+            uint index_offset = 8;
+            uint index_size = (uint)file_map.Count * 8u;
+            if (index_size > pak.View.Reserve (index_offset, index_size))
+                return null;
+            var dir = new List<Entry> (file_map.Count);
+            for (int i = 0; i < file_map.Count; ++i)
+            {
+                var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
+                entry.Offset = pak.View.ReadUInt32 (index_offset);
+                entry.Size   = pak.View.ReadUInt32 (index_offset + 4);
+                dir.Add (entry);
+                index_offset += 8;
+            }
+            return dir;
+        }
+
+        List<Entry> ReadVoicePak (ArcView pak, List<string> file_map)
+        {
+            uint index_offset = 8;
+            uint index_size = (uint)file_map.Count * 0x18u;
+            if (index_size > pak.View.Reserve (index_offset, index_size))
+                return null;
+            var dir = new List<Entry> (file_map.Count);
+            for (int i = 0; i < file_map.Count; ++i)
+            {
+                var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
+                entry.Offset = pak.View.ReadUInt32 (index_offset);
+                entry.Size   = pak.View.ReadUInt32 (index_offset + 4);
+                dir.Add (entry);
+                index_offset += 0x18;
+            }
+            return dir;
+        }
+
+        private List<string>    CgMap { get; set; }
+        private List<string> VoiceMap { get; set; }
+        private string CurrentMapName { get; set; }
+
+        private List<string> GetFileMap (string pak_name, string map_name = "avking.map")
+        {
+            string base_name = Path.GetFileNameWithoutExtension (pak_name);
+            List<string> map;
+            if ("cg" == base_name)
+                map = CgMap;
+            else if ("voice" == base_name)
+                map = VoiceMap;
+            else
+                return null;
+            if (null != map && File.Exists (CurrentMapName))
+                return map;
+            CgMap = null;
+            VoiceMap = null;
+            string dir_name = Path.GetDirectoryName (pak_name);
+            if (string.IsNullOrEmpty (dir_name))
+                dir_name = ".";
+            while (!string.IsNullOrEmpty (dir_name))
+            {
+                string map_file = Path.Combine (dir_name, map_name);
+                if (File.Exists (map_file))
+                {
+                    if (!ReadMap (map_file))
+                        return null;
+                    CurrentMapName = map_file;
+                    if ("cg" == base_name)
+                        return CgMap;
+                    if ("voice" == base_name)
+                        return VoiceMap;
+                }
+                dir_name = Path.GetDirectoryName (dir_name);
+            }
+            return null;
+        }
+
+        static readonly Regex FilesTypeRe = new Regex (@"^//([A-Z]+) FILES = (\d+)");
+
+        private bool ReadMap (string map_file)
+        {
+            try
+            {
+                using (var map = File.OpenRead (map_file))
+                using (var input = new StreamReader (map, Encoding.ASCII))
+                {
+                    var cg = new List<string>();
+                    var voice = new List<string>();
+                    List<string> current_list = null;
+                    for (;;)
+                    {
+                        string line = input.ReadLine();
+                        if (null == line)
+                            break;
+                        var match = FilesTypeRe.Match (line);
+                        if (!match.Success)
+                            return false;
+                        string type = match.Groups[1].Value;
+                        if ("BG" == type || "CHR" == type)
+                            current_list = cg;
+                        else if ("VOICE" == type)
+                            current_list = voice;
+                        else
+                            current_list = null;
+                        int count = UInt16.Parse (match.Groups[2].Value);
+                        for (int i = 0; i < count; ++i)
+                        {
+                            line = input.ReadLine();
+                            if (null == line)
+                                break;
+                            if (null != current_list)
+                                current_list.Add (line.TrimEnd ('\0'));
+                        }
+                    }
+                    CgMap = cg;
+                    VoiceMap = voice;
+                    return cg.Count > 0 || voice.Count > 0;
+                }
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}
+
+
diff --git a/ArcFormats/ImageHIZ.cs b/ArcFormats/ImageHIZ.cs
new file mode 100644
index 00000000..031ce9b1
--- /dev/null
+++ b/ArcFormats/ImageHIZ.cs
@@ -0,0 +1,151 @@
+//! \file       ImageHIZ.cs
+//! \date       Fri Jul 31 19:07:24 2015
+//! \brief      elf HIZ bitmap format.
+//
+// Copyright (C) 2015 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 GameRes.Compression;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Elf
+{
+    internal class HizMetaData : ImageMetaData
+    {
+        public bool IsPacked;
+        public uint DataOffset;
+        public uint UnpackedSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class HizFormat : ImageFormat
+    {
+        public override string         Tag { get { return "HIZ"; } }
+        public override string Description { get { return "elf bitmap format"; } }
+        public override uint     Signature { get { return 0x007A6968; } } // 'hiz'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            using (var input = new ArcView.Reader (stream)) // sub_4BF900
+            {
+                input.ReadInt32();
+                int n = input.ReadInt32();
+                if (100 != n)
+                    return null;
+                uint right = input.ReadUInt32() ^ 0xAA5A5A5A;
+                uint bottom = input.ReadUInt32() ^ 0xAC9326AF;
+                int unknown1 = input.ReadInt32(); // @0x10
+                if (unknown1 == 0x375A8436)
+                    return null;
+                uint unpacked_size = input.ReadUInt32() ^ 0x19739D6A; // @0x14
+                if (unpacked_size != right*bottom*4)
+                    return null;
+                return new HizMetaData
+                {
+                    Width = right,
+                    Height = bottom,
+                    BPP = 32,
+                    IsPacked = true,
+                    DataOffset = 0x4c,
+                    UnpackedSize = unpacked_size,
+                };
+            }
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var meta = info as HizMetaData;
+            if (null == meta)
+                throw new ArgumentException ("HizFormat.Read should be supplied with HizMetaData", "info");
+
+            var pixels = new byte[meta.UnpackedSize];
+            stream.Position = meta.DataOffset;
+            using (var lzss = new LzssStream (stream, LzssMode.Decompress, true))
+            {
+                var channel = new byte[info.Width*info.Height];
+                for (int p = 0; p < 4; ++p)
+                {
+                    if (channel.Length != lzss.Read (channel, 0, channel.Length))
+                        throw new InvalidFormatException ("Unexpected end of file");
+                    int src = 0;
+                    for (int i = p; i < pixels.Length; i += 4)
+                        pixels[i] = channel[src++];
+                }
+                return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("HizFormat.Write not implemented");
+        }
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class HipFormat : HizFormat
+    {
+        public override string         Tag { get { return "HIP"; } }
+        public override string Description { get { return "elf composite image format"; } }
+        public override uint     Signature { get { return 0x00706968; } } // 'hip'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            byte[] header = new byte[0x18];
+            if (0x18 != stream.Read (header, 0, 0x18))
+                return null;
+            int index_offset = 0xC;
+            uint first_offset = LittleEndian.ToUInt32 (header, index_offset);
+            if (0 == first_offset)
+            {
+                index_offset += 4;
+                first_offset = LittleEndian.ToUInt32 (header, index_offset);
+                if (0 == first_offset)
+                    return null;
+            }
+            index_offset += 4;
+
+            long first_length;
+            uint second_offset = LittleEndian.ToUInt32 (header, index_offset);
+            if (0 == second_offset)
+                first_length = stream.Length - first_offset;
+            else if (second_offset < first_offset)
+                return null;
+            else
+                first_length = second_offset - first_offset;
+
+            using (var hiz = new StreamRegion (stream, first_offset, first_length, true))
+            {
+                var info = base.ReadMetaData (hiz);
+                (info as HizMetaData).DataOffset += 0x18;
+                return info;
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("HipFormat.Write not implemented");
+        }
+    }
+}
diff --git a/supported.html b/supported.html
index 06939acb..d5f76c45 100644
--- a/supported.html
+++ b/supported.html
@@ -136,6 +136,7 @@ Chikatetsu Fuusa Jiken<br/>
 Eien no Owari ni<br/>
 Ikusa Otome Valkyrie<br/>
 Sakura Machizaka Stories vol.1<br/>
+Sakura Machizaka Stories vol.2<br/>
 </td></tr>
 <tr class="odd"><td>*.prs</td><td><tt>YB</tt></td><td>No</td></tr>
 <tr class="odd"><td>*.way</td><td><tt>WADY</tt></td><td>No</td></tr>
@@ -164,13 +165,18 @@ Shouhei-kun no Hani-Kami Life☆<br/>
 <tr class="odd"><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 1.3</tt></td><td>No</td><td rowspan="5">Shiina Rio</td><td rowspan="5">
 Classmate no Okaa-san <span class="footnote">ShiinaRio v2.37</span><br/>
+Chikan Circle <span class="footnote">ShiinaRio v2.46</span><br/>
+Chikan Circle 2 <span class="footnote">ShiinaRio v2.47</span><br/>
 Enkaku Sousa<br/>
 Helter Skelter <span class="footnote">ShiinaRio v2.40</span><br/>
 Hitozuma Onna Kyoushi Reika <span class="footnote">ShiinaRio v2.39</span><br/>
 Itsuka, Dokoka de ~Ano Ameoto no Kioku~<br/>
 Mahou Shoujo no Taisetsu na Koto<br/>
 Nagagutsu wo Haita Deco <span class="footnote">ShiinaRio v2.39</span><br/>
+Najimi no Oba-chan <span class="footnote">ShiinaRio v2.47</span><br/>
 Otome Juurin Yuugi <span class="footnote">ShiinaRio v2.37</span><br/>
+Ran→Sem <span class="footnote">ShiinaRio v2.47</span><br/>
+Rin×Sen <span class="footnote">ShiinaRio v2.47</span><br/>
 Tantei Shounen A<br/>
 </td></tr>
 <tr><td>*.s25</td><td><tt>S25</tt></td><td>No</td></tr>
@@ -278,6 +284,8 @@ Kourin Tenshi En Ciel Rena<br/>
 Mamagoto<br/>
 </td></tr>
 <tr><td>*.iaf</td><td>-</td><td>No</td></tr>
+<tr class="odd"><td>*.bin+*.pak</td><td><tt>hed</tt></td><td>No</td><td rowspan="2">elf</td><td rowspan="2">Adult Video King</td></tr>
+<tr class="odd"><td>*.hip<br/>*.hiz<br/></td><td><tt>hip</tt><br/><tt>hiz</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>