diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 3139d8fb..836708e6 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -77,6 +77,7 @@
+
diff --git a/ArcFormats/Hexenhaus/ArcODIO.cs b/ArcFormats/Hexenhaus/ArcODIO.cs
new file mode 100644
index 00000000..e74e8c1b
--- /dev/null
+++ b/ArcFormats/Hexenhaus/ArcODIO.cs
@@ -0,0 +1,85 @@
+//! \file ArcODIO.cs
+//! \date Mon Mar 14 04:36:12 2016
+//! \brief Hexenhaus audio archive.
+//
+// Copyright (C) 2016 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.Hexenhaus
+{
+ [Export(typeof(ArchiveFormat))]
+ public class BinOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "BIN/ODIO"; } }
+ public override string Description { get { return "Hexenhaus audio archive"; } }
+ public override uint Signature { get { return 0x4F49444F; } } // 'ODIO'
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanCreate { get { return false; } }
+
+ public BinOpener ()
+ {
+ Extensions = new string[] { "bin" };
+ }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ if (0 != file.View.ReadUInt32 (4) || 0xCCAE01FF != file.View.ReadUInt32 (0xA))
+ return null;
+ uint first_offset = file.View.ReadUInt32 (0x12);
+ int count = (int)(first_offset - 0x12) / 6;
+ if (!IsSaneCount (count))
+ return null;
+ var base_name = Path.GetFileNameWithoutExtension (file.Name);
+
+ uint next_offset = first_offset;
+ uint index_offset = 0x12;
+ var dir = new List (count);
+ for (int i = 0; i < count; ++i)
+ {
+ var entry = new Entry {
+ Name = string.Format ("{0}#{1:D4}.ogg", base_name, i),
+ Type = "audio",
+ Offset = next_offset,
+ };
+ index_offset += 6;
+ next_offset = i+1 == count ? (uint)file.MaxOffset : file.View.ReadUInt32 (index_offset);
+ entry.Size = (uint)(next_offset - entry.Offset);
+ if (!entry.CheckPlacement (file.MaxOffset))
+ return null;
+ dir.Add (entry);
+ }
+ return new ArcFile (file, this, dir);
+ }
+
+ public override Stream OpenEntry (ArcFile arc, Entry entry)
+ {
+ if (entry.Size < 0x2C || !arc.File.View.AsciiEqual (entry.Offset, "ONCE"))
+ return base.OpenEntry (arc, entry);
+ var input = arc.File.CreateStream (entry.Offset+0x2C, entry.Size-0x2C);
+ return new EncryptedStream (input);
+ }
+ }
+}
diff --git a/supported.html b/supported.html
index 825c28dc..809a199f 100644
--- a/supported.html
+++ b/supported.html
@@ -736,9 +736,10 @@ Thanatos no Koi ~In Ane Otouto Soukan~
Shihen 69 ~Shinen no Messiah~