Birth place: Shinjuku, Tokyo, Japan
Current residence: Tokyo, Japan
Birth name: Sumi Toshihiko
He makes hentai manga that display psychological elements. Tamaoki says about his work: "I want to create hentai manga that convey a feeling of everyday life." His first collection was Eroi Hon (Erotic-ish Book) in 1995. His manga has been published in many magazines, and also been published in the USA. One of his best known manga is Blood: the Last Vampire.
(Source: MU)
He also has a solo music project Jarimichi.
Content compiled by AnimeList.moe from publicly available sources.