Isaku Ep 1

A notorious hentai series said to have changed the history of adult animation with its scenes of violence, perversion and lust, filled with hardcore sex and unusual fetishes. The franchise spans three related anime titles—Isaku, Shisaku and Kisaku—named after three sadistic brothers. This entry covers Isaku (3 episodes plus a special recap episode, released 1997–1998). Catalog: avdb-h02966 (Hentai, produced by Hentai OVA, released on 2026-11-10, runtime 00:28:48).