Black Book follows Setsuna, whose little brother has been kidnapped by an army of Jack Frosts and taken to the demon world, and who is accompanied by the Cerberus Cool.
- Platform: Nintendo 3DS, Nintendo Game Boy Color
Black Book follows Setsuna, whose little brother has been kidnapped by an army of Jack Frosts and taken to the demon world, and who is accompanied by the Cerberus Cool.
