Tenshu is imprisoned and sentenced to death for murdering the men who raped his girlfriend. However, he manages to survive his execution and is presented with an option: face another execution attempt or subject himself to their bizarre and dangerous experiments.

Hideo Sakaki
as Tenshu Yashiro

Ryo
as Yurika Saegusa

Koyuki
as Asuka Saegusa

Shun Sugata
as Matsuda

Erika Oda
as Misako Hara

Tak Sakaguchi
as Zeros

Jun Kunimura
as Kojima

Ryushi Mizukami
as Warden 1

Keita Kimura
as Warden 2

Minoru Aoki
as Warden 3