diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index c1232e76..f8f12629 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -173,6 +173,7 @@
     <Compile Include="MAGES\ArcLoveOnce.cs" />
     <Compile Include="Mugi\ArcBIN.cs" />
     <Compile Include="NipponIchi\ArcCASN.cs" />
+    <Compile Include="NipponIchi\ArcPSFS.cs" />
     <Compile Include="NipponIchi\ImageNMT.cs" />
     <Compile Include="NScripter\Script.cs" />
     <Compile Include="Psp\ArcQPK.cs" />
diff --git a/ArcFormats/NipponIchi/ArcCASN.cs b/ArcFormats/NipponIchi/ArcCASN.cs
index d76a7db3..7f826f1c 100644
--- a/ArcFormats/NipponIchi/ArcCASN.cs
+++ b/ArcFormats/NipponIchi/ArcCASN.cs
@@ -22,7 +22,6 @@ namespace GameRes.Formats.NipponIchi
             var dir = new List<Entry>(count);
             for (int i = 0; i < count; ++i)
             {
-
                 uint fstart = Binary.BigEndian(file.View.ReadUInt32(index_offset));
                 uint flength = Binary.BigEndian(file.View.ReadUInt32(index_offset + 4));
                 index_offset += 8;
diff --git a/ArcFormats/NipponIchi/ArcPSFS.cs b/ArcFormats/NipponIchi/ArcPSFS.cs
new file mode 100644
index 00000000..72f43997
--- /dev/null
+++ b/ArcFormats/NipponIchi/ArcPSFS.cs
@@ -0,0 +1,42 @@
+using GameRes.Utility;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.NipponIchi
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PSFSOpener : ArchiveFormat
+    {
+        public override string Tag { get { return "DAT/PS_FS ShinHayarigami2"; } }
+        public override string Description { get { return "Nippon Ichi Shin Hayarigami2 PS3 resource archive"; } }
+        public override uint Signature { get { return 0x465F5350; } } // 'PS_F' of 'PS_FS_V1'
+        public override bool IsHierarchic { get { return false; } }
+        public override bool CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen(ArcView file)
+        {
+            int count = Binary.BigEndian(file.View.ReadInt32(8));
+            if (!IsSaneCount(count))
+                return null;
+            long index_offset = 0x10;
+            var dir = new List<Entry>(count);
+            for (int i = 0; i < count; ++i)
+            {
+                string name = file.View.ReadString(index_offset, 0x30);
+                var entry = Create<Entry>(name);
+                entry.Offset = Binary.BigEndian(file.View.ReadUInt32(index_offset + 0x3C));
+                entry.Size = Binary.BigEndian(file.View.ReadUInt32(index_offset + 0x34));
+                index_offset += 0x40;
+                if (!entry.CheckPlacement(file.MaxOffset))
+                    return null;
+                if (0 == file.View.ReadByte(entry.Offset))
+                {
+                    entry.Offset += 0x10;
+                    entry.Size -= 0x10;
+                }
+                dir.Add(entry);
+            }
+            return new ArcFile(file, this, dir);
+        }
+    }
+}