Quick answer — manzo worked on Genshiken (Theme Song Performance), Genshiken OVA (Theme Song Performance), Is this a Zombie? (Theme Song Performance) and 7 more anime.
manzo worked on Genshiken (Theme Song Performance), Genshiken OVA (Theme Song Performance), Is this a Zombie? (Theme Song Performance), Monster Musume: Everyday Life With Monster Girls OVA (Music), Chaika -The Coffin Princess- OVA (Theme Song Composition), Cuticle Detective Inaba (Theme Song Lyrics), Anima Yell! (Music), Monster Musume: Everyday Life With Monster Girls (Music) and 2 more.