​Experience the groundbreaking adult anime series that has redefined the genre, featuring intense scenes of violence, perversion, and unbridled lust. Prepare yourself for a journey into the depths of desire with “Isaku, Shisaku, and Kisaku,” three unique anime titles centering around the sadistic brothers of the same name. Follow Kotomi and her classmates as they embark on a summer vacation that takes a sinister turn when they become trapped inside an old school building. As girls mysteriously vanish one by one, an unsettling nightmare unfolds, revealing a world of debauchery and unconventional sexual fetishes. Don’t miss out on this provocative and boundary-pushing series that has challenged the history of adult animation.​