After being stabbed in the chest by his mother, Kyosuke Date is resurrected to find out he has a twin sister named Runa, and the ability to transform into the amazingly strong, powerful and dangerous superhuman mutant known as the SoulTaker.
Assisting him along the way are the mysterious Shiro Mibu and the nurse mutant girl Komugi Nakahara, who betrayed the Hospital out of strong romantic love for Kyosuke.
[2] Character designer/chief animation director Akio Watanabe and visual director/mechanical designer Toshiaki Tetsura, also previous collaborators of Shinbo's, were invited to participate on the series as well.
[5] This thirteen episode-series produced by Tatsunoko Productions and directed by Akiyuki Shinbo, premiered on the Japanese television network WOWOW on April 4, 2001, and ended exactly 3 months later on July 4, 2001.
Two days after the last episode aired, North American anime licensor Geneon Entertainment USA licensed the series and released it on 4 volumes on DVD and VHS.