diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index d311cf08..fc2d457f 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -121,6 +121,7 @@
+
diff --git a/ArcFormats/Nekopunch/ImagePBM.cs b/ArcFormats/Nekopunch/ImagePBM.cs
new file mode 100644
index 00000000..b680b963
--- /dev/null
+++ b/ArcFormats/Nekopunch/ImagePBM.cs
@@ -0,0 +1,69 @@
+//! \file ImagePBM.cs
+//! \date 2018 Jan 03
+//! \brief Studio Nekopunch compressed bitmap.
+//
+// Copyright (C) 2018 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.ComponentModel.Composition;
+using System.IO;
+using GameRes.Compression;
+
+namespace GameRes.Formats.Nekopunch
+{
+ [Export(typeof(ImageFormat))]
+ public class PbmFormat : ImageFormat
+ {
+ public override string Tag { get { return "PBM"; } }
+ public override string Description { get { return "Studio Nekopunch compressed bitmap"; } }
+ public override uint Signature { get { return 0; } }
+
+ public override ImageMetaData ReadMetaData (IBinaryStream file)
+ {
+ if (!file.Name.HasExtension (".pbm"))
+ return null;
+ var header = file.ReadHeader (8);
+ if (!header.AsciiEqual (5, "BM"))
+ return null;
+ using (var bmp = OpenBitmapStream (file, header.ToUInt32 (0)))
+ return Bmp.ReadMetaData (bmp);
+ }
+
+ public override ImageData Read (IBinaryStream file, ImageMetaData info)
+ {
+ using (var bmp = OpenBitmapStream (file, file.Signature))
+ return Bmp.Read (bmp, info);
+ }
+
+ IBinaryStream OpenBitmapStream (IBinaryStream file, uint unpacked_size)
+ {
+ file.Position = 4;
+ Stream input = new LzssStream (file.AsStream, LzssMode.Decompress, true);
+ input = new LimitStream (input, unpacked_size);
+ return new BinaryStream (input, file.Name);
+ }
+
+ public override void Write (Stream file, ImageData image)
+ {
+ throw new System.NotImplementedException ("PbmFormat.Write not implemented");
+ }
+ }
+}