diff --git a/Legacy/Mink/ImageDAT.cs b/Legacy/Mink/ImageDAT.cs
new file mode 100644
index 00000000..255625a7
--- /dev/null
+++ b/Legacy/Mink/ImageDAT.cs
@@ -0,0 +1,118 @@
+//! \file       ImageDAT.cs
+//! \date       2018 Jul 17
+//! \brief      Mink 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;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+// [030214][Mink] Danger Angel ~Ijou Shinka~
+
+namespace GameRes.Formats.Mink
+{
+    internal class MinkMetaData : ImageMetaData
+    {
+        public int  UnpackedSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class DatFormat : ImageFormat
+    {
+        public override string         Tag { get { return "GDF/BMP"; } }
+        public override string Description { get { return "Mink compressed bitmap"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (9);
+            int packed_size = header.ToInt32 (1);
+            int unpacked_size = header.ToInt32 (5);
+            if (header[0] != 3 || packed_size != file.Length - 9)
+                return null;
+            var bmp_header = new byte[56];
+            Unpack (file, bmp_header);
+            using (var bmp = new BinMemoryStream (bmp_header))
+            {
+                var info = Bmp.ReadMetaData (bmp);
+                if (null == info)
+                    return null;
+                return new MinkMetaData {
+                    Width = info.Width,
+                    Height = info.Height,
+                    BPP = info.BPP,
+                    UnpackedSize = unpacked_size,
+                };
+            }
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (MinkMetaData)info;
+            file.Position = 9;
+            var pixels = new byte[meta.UnpackedSize];
+            Unpack (file, pixels);
+            using (var bmp = new BinMemoryStream (pixels, file.Name))
+                return Bmp.Read (bmp, info);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("DatFormat.Write not implemented");
+        }
+
+        void Unpack (IBinaryStream input, byte[] output)
+        {
+            int offset_bits = input.ReadUInt8();
+            int count_bits  = input.ReadUInt8();
+            int dst = 0;
+            using (var bits = new MsbBitStream (input.AsStream, true))
+            {
+                while (dst < output.Length)
+                {
+                    if (bits.GetNextBit() != 0)
+                    {
+                        int v = bits.GetBits (8);
+                        if (v < 0)
+                            break;
+                        output[dst++] = (byte)v;
+                    }
+                    else
+                    {
+                        int src = bits.GetBits (offset_bits);
+                        if (src < 0)
+                            break;
+                        int count = bits.GetBits (count_bits);
+                        if (count < 0)
+                            break;
+                        count = Math.Min (output.Length-dst, count+1);
+                        Binary.CopyOverlapped (output, src, dst, count);
+                        dst += count;
+                    }
+                }
+            }
+        }
+    }
+}