diff --git a/msg_tool_xp3data/crypt.json b/msg_tool_xp3data/crypt.json
index 182e974..4b368c6 100644
--- a/msg_tool_xp3data/crypt.json
+++ b/msg_tool_xp3data/crypt.json
@@ -412,6 +412,10 @@
         "$type": "HashCrypt",
         "Title": "不可視な愛情～透明なボクに感じるママ～"
     },
+    "Gakuen Butou no Folklore": {
+        "$type": "NephriteCrypt",
+        "Title": "学園舞闘のフォークロア"
+    },
     "Gakuen Tokkyuu Hotokenser": {
         "$type": "CxEncryption",
         "Mask": 330,
@@ -430,6 +434,10 @@
         "$type": "HashCrypt",
         "Title": "義祖母、調教中。 ～仲良しの秘訣はSMです。～"
     },
+    "Gokkun! Onii-chan Milk": {
+        "$type": "NephriteCrypt",
+        "Title": "ごっくん！おにーちゃんみるく♪～ぷにぷにおっぱいな妹と～"
+    },
     "Grisaia: Phantom Trigger [Steam]": {
         "$type": "CxEncryption",
         "Mask": 389,
@@ -532,6 +540,10 @@
         "ControlBlockName": "haruiro.bin",
         "Title": "春色☆こみゅにけ～しょん♪"
     },
+    "Hatarakanai Honey Life": {
+        "$type": "NephriteCrypt",
+        "Title": "ハタラカナイはにーらいふ"
+    },
     "Hataraku Otaku no Ren'ai Jijou": {
         "$type": "CxEncryption",
         "Mask": 503,
@@ -695,6 +707,10 @@
         "$type": "HashCrypt",
         "Title": "家出娘種付け姦誘～気弱なあの子を肉便器開発～"
     },
+    "Iinkai no Antihero": {
+        "$type": "NephriteCrypt",
+        "Title": "委員界の異端者 ～IINCHO-Re.co～"
+    },
     "Ijou Seiai": {
         "$type": "HashCrypt",
         "Title": "異常性愛-妄想ビッチと真正ビッチ-"
@@ -1235,10 +1251,18 @@
         "ControlBlockName": "nidaime.bin",
         "Title": "二代目は☆魔法少女"
     },
+    "Niina-chan Lovely Life": {
+        "$type": "NephriteCrypt",
+        "Title": "にいなちゃん Lovely Life"
+    },
     "Nyotai-ka Panic!": {
         "$type": "HashCrypt",
         "Title": "女体化パニック！ ～オンナのコのカラダってキモチイイ～"
     },
+    "Ochiteiku Wakazuma Maiko": {
+        "$type": "NephriteCrypt",
+        "Title": "堕ちていく若妻麻衣子"
+    },
     "Ochiteyuku Seishoku Shukujo": {
         "$type": "HashCrypt",
         "Title": "堕ちてゆく聖職淑女～いけない、夫に無理矢理やらされていただけなのに感じちゃう～"
@@ -1411,6 +1435,10 @@
         "$type": "FlyingShineCrypt",
         "Title": "プリンセスサーガ"
     },
+    "Rakugaki Overheart": {
+        "$type": "NephriteCrypt",
+        "Title": "らくがきオーバーハート"
+    },
     "Re:": {
         "$type": "FlyingShineCrypt"
     },
@@ -1434,6 +1462,10 @@
         "TpmFileName": "plugin/relations.tpm",
         "Title": "リレーションズ シスター×シスター | リレーションズ　シスター・シスター"
     },
+    "RGH ~Koi to Hero to Gakuen to~": {
+        "$type": "NephriteCrypt",
+        "Title": "RGH～恋とヒーローと学園と～"
+    },
     "Riajuu Saimin": {
         "$type": "CxEncryption",
         "Mask": 518,
@@ -1572,6 +1604,10 @@
         "$type": "HashCrypt",
         "Title": "清楚なあの娘は、隠れビッチ ～いつでもどこでも欲情ＳＥＸ～"
     },
+    "Se-n-pa-i ~Hiromi-senpai": {
+        "$type": "NephriteCrypt",
+        "Title": "セ・ン・パ・イ〜広海センパイとのラブエロ部活"
+    },
     "Senden no Shugo Kishi Niina": {
         "$type": "HashCrypt",
         "Title": "閃電の守護騎士ニィナ"
diff --git a/src/scripts/kirikiri/archive/xp3/crypt/mod.rs b/src/scripts/kirikiri/archive/xp3/crypt/mod.rs
index 741250a..0a2769f 100644
--- a/src/scripts/kirikiri/archive/xp3/crypt/mod.rs
+++ b/src/scripts/kirikiri/archive/xp3/crypt/mod.rs
@@ -162,6 +162,7 @@ enum CryptType {
     OkibaCrypt,
     DieselmineCrypt,
     DameganeCrypt,
+    NephriteCrypt,
 }
 
 #[derive(Clone, Debug, Deserialize)]
@@ -251,6 +252,7 @@ impl Schema {
             CryptType::OkibaCrypt => Box::new(OkibaCrypt::new(self.base.clone())),
             CryptType::DieselmineCrypt => Box::new(DieselmineCrypt::new(self.base.clone())),
             CryptType::DameganeCrypt => Box::new(DameganeCrypt::new(self.base.clone())),
+            CryptType::NephriteCrypt => Box::new(NephriteCrypt::new(self.base.clone())),
         })
     }
 }
@@ -857,6 +859,25 @@ impl<R: Read> Read for DameganeCryptReader<R> {
     }
 }
 
+seek_crypt_filehash_key_u8_impl!(NephriteCrypt, NephriteCryptReader<T>);
+
+impl<R: Read> Read for NephriteCryptReader<R> {
+    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
+        let readed = self.inner.read(buf)?;
+        for (i, t) in (&mut buf[..readed]).iter_mut().enumerate() {
+            let offset = self.seg_start + self.pos + i as u64;
+            let key = if offset & 1 == 0 {
+                self.key
+            } else {
+                offset as u8
+            };
+            *t ^= key;
+        }
+        self.pos += readed as u64;
+        Ok(readed)
+    }
+}
+
 #[test]
 fn test_deserialize_crypt() {
     for (key, schema) in CRYPT_SCHEMA.iter() {