|Kanji Name||小山内 治|
|Affiliation||Hell, Demon, Koutarou|
|Anime Debut||OVA 4 |
Season 2, Episode 1
Osamu Osanai is a student at Koutaro's highschool, and a demon contractor. He is currently the contractor of Ose.
"An excellent demon summoner. He's a genius who has a wide knowledge of the demon world and passionately investigates about it. He's Kotaro's classmate, and they both use their demons to help each other in their adventures. He's very enthusiastic about groping women, perhaps more than usual." Osanai's Official ProfileA child prodigy, Osanai is a genius when it comes to demons and the demon world. He meets Koutaro at school, and soon after they become friends. He has an unusual fascination with female anatomy, going as a far as making detailed descriptions of it.
Powers & Abilities Edit
As a contractor he is able to interact, see and summon all kind of demons.
He knows about Solomon and about "Solomon Ring", and is a proficient demon summoner.
Solomon Ring Edit
He is able to make the demons into their chibi (animal) forms.
- He made his appearance in the anime's second season, but he wasn't voiced until the third OVA.
- During his first appearance, he was often confused for a girl.