Based on the comic book by Tetsu Kusamoto.

Yokohama Bakkuretai: Natsu no Shounan jun'ai hen

Punching and kicking students is commonplace. During the day, he fights with yakuza, and at night, he fights in the toilets of cabaret clubs. Inugami Dangan is the worst crazy teacher in the history of Japan. But even in the midst of his chaos, he feels something for his students, and as he begins to interact with them, a man appears who wants to take his life.

DAN-GAN

A private detective  called "Kiss Shiro", One day, he is shocked to see a rape video brought by his younger brother.

Bad Guy Beach

Time Leap

After killing the man he believes murdered his daughter, a white-collar worker returns to his mundane life, until he is approached by a man who offers him a mysterious job opportunity.