​Experience the groundbreaking h-series that revolutionized adult animation history! Indulge in the intense scenes of violence, perversion, and insatiable lust, featuring hardcore sex and unique sexual fetishes. This incredible series consists of three separate anime titles: Isaku, Shisaku, and Kisaku, each delving into the twisted world of the sadistic brothers they are named after. Prepare for an unforgettable journey through this saga:

– Isaku: 3 gripping episodes + a special recap episode.
– Shusaku: 3 thrilling episodes.
– Shusaku Replay: 4 captivating episodes.
– Isaku Respect: 3 mesmerizing episodes.
– Kisaku: 6 enticing episodes.
– Shusaku Liberty: 2 explosive episodes.
– Kisaku ULTIMATE: 1 episode (Special Recap).
– Kisaku Spirit: 3 haunting episodes.
– Shusaku Se-X File: 1 episode (Special Recap).
– Kisaku Core Mix: 2 heart-pounding episodes.
– Shusaku Core Mix: 2 mind-bending episodes.
– Isaku Core Mix: 2 exhilarating episodes.

Witness the dark and supernatural tale of Kisaku, a restless spirit possessing an innocent young man named Kusaki. Prepare for a thrilling journey filled with twists, surprises, and the fusion of two contrasting personalities.​