Masa Bokuto was origonally a member of a gang that attacked Akira Fudo at his school. However after Akira saves his life, Masa and the other gang members join his fight against the demon menace.
- Masa Bokuto (Manga): A gang member that starts off as an advisary, but later joins Akira's fight and dies trying to protect the Makimura's.
- Masa Bokuto (OVA): A gang leader that attacks Akira during the begining of the first OVA.
- Masa Bokuto (Grimoire): A minor character and gang member that has his head bitten off by Sirene early on in the manga.
- Masa Bokuto (Gekiman): Follows more or less the same story as the origonal, only with added information.