Shun is a transfer student who can’t seem to adjust to his new class and falls into mild depression. However, one day he meets some fellow students by chance in front of a creepy Western-style mansion called the “Jailhouse” which is rumored to be home to a hideous blue monster. Soon, the group of six students, led by Shun and Anna, become trapped inside and desperately attempt to escape before the monster finds them.
Born in a small town in Japan, a young girl named Ai is sent to a cult commune by her religious maniac mother and lives there for seven long years. After the cult is exposed by the police, Ai starts a new stage of life, going to a normal school for the first time, but she can’t find her place to fit in there. Ai drops out from the school and society, spending her life living with a rock-bottom delinquent family full of gangsters and call girls. In a strange twist of fate she finds herself back in a new and normal life, living with a middle-class family, but her troubled life continues to follow her into more deep and seedy paths.
Dora (Ryo Ryusei) and associates runs a badger game scheme to extort victims out of money. One day though, their target looks like an ordinary guy, but he turns out to be a yakuza. Dora and his associates fall into a far darker world. Dora steps into a business that offers to take revenge on others by any means necessary.