Regular Edition
1. SAMURAI
2. Yakusoku ~Flowers Song~ (Takizawa Hideaki)
3. Yakusoku ~World wing~ (Imai Tsubasa)
4. HIMEGOTO
5. SAMURAI ~karaoke~
+ First Press Bonus: Double sided poster, book case, sticker card

Limited Edition 1
1. SAMURAI
2. Yakusoku ~Flowers Song~ (Takizawa Hideaki)
3. Yakusoku ~World wing~ (Imai Tsubasa)
4. SAMURAI ~karaoke~
DVD: SAMURAI ~LIVE VERSION~, off shot

Limited Edition 2
1. SAMURAI
2. Yakusoku ~Flowers Song~ (Takizawa Hideaki)
3. Yakusoku ~World wing~ (Imai Tsubasa)
4. SAMURAI ~karaoke~
DVD: Yakusoku ~Flowers Song~ PV, Yakusoku ~World wing~ PV