This iconic hentai series has been hailed as a game-changer in adult animation, renowned for its intense scenes of violence, perversion, and lust, featuring hardcore sex and unique sexual fetishes! The series is divided into three distinct anime titles, each with its own series of releases, named after the three sadistic brothers at the heart of the story: Isaku, Shisaku, and Kisaku. The episodes are released in the following order (note that games and recap episodes are not included): - Isaku (遺作) / 3 Episodes + Special Recap Episode / Released from November 28, 1997, to May 29, 1998 - Shusaku (臭作) / 3 Episodes / Released from April 2, 1999, to November 5, 1999 - Shusaku Replay (臭作 ～Replay～) / 4 Episodes / Released from July 28, 2000, to January 26, 2001 - Isaku Respect (遺作 ～Respect～) / 3 Episodes / Released from February 23, 2001, to September 21, 2001 - Kisaku (鬼作) / 6 Episodes / Released from January 25, 2002, to April 11, 2003 - Shusaku Liberty (臭作 ～Ｌｉｂｅｒｔｙ～) / 2 Episodes / Released from January 24, 2003, to April 25, 2003 - Kisaku ULTIMATE / 1 Episode (Special Recap) / Released on May 14, 2004 (You are here) Kisaku Spirit (鬼作 魂) / 3 Episodes / Released from May 28, 2004, to July 22, 2005 - Shusaku Se-X File (臭作 SE-XFILE) / 1 Episode (Special Recap) / Released on September 17, 2004 - Kisaku Core Mix (鬼作 THE ANIMATION コアMIX) / 2 Episodes / Released from March 28, 2014, to April 25, 2014 - Shusaku Core Mix (臭作 THE ANIMATION コアMIX) / 2 Episodes / Released from September 29, 2014, to September 26, 2014 - Isaku Core Mix (遺作 THE ANIMATION コアMIX) / 2 Episodes / Released from November 28, 2014, to January 30, 2015 Following Kisaku's death, his spirit lingers with a strong desire to remain. Yuri encounters a man who strikingly resembles Kisaku, but this man, Kusaki, is a hard-working individual with a kind heart—completely opposite to Kisaku. However, when they meet, Kisaku's restless spirit emerges and begins to haunt Kusaki, eventually taking over his body.