Isaku – Episode 1

This iconic adult anime series has truly revolutionized the realm of animated erotica, captivating viewers worldwide through its gritty depictions of violence, depravity, and sexual passion. It comprises three primary titles - Isaku, Shisaku, and Kisaku, all centered around their shared antagonist siblings.

The timeline for these releases is as follows (note that any additional games or recap episodes will not be uploaded):
(You're here) "Isaku" - a three-episode series released between November 28th, 1997 to May 29th, 1998. It was followed by:

Shusaku (臭作), another set of three episodes airing from April 2nd, 1999 until November 5th, 1999. Subsequently came its replay series "Shisaku Replay" with four episodes running from July 28th, 2000 to January 26th, 2001. Following that was:
- Isaku Respect (遺作～Respect～), another three-episode arc spanning February 23rd, 2001 through September 21st, 2001.
Then came the "Kisaku" series - a six-episode saga airing between January 25th, 2002 and April 11th, 2003. It was followed by:
- Shusaku Liberty (臭作～Ｌｉｂｅｒｔｙ～), a duo of episodes that ran from January 24th to April 25th, 2003. Then came the "Kisaku ULTIMATE" - an OVA episode which concluded on May 14th, 2004 followed by:
- Kisaku Spirit (鬼作魂), a three-episode arc