Based on the manga by Satosumi Takaguchi, adapted by Midori Kogane and Hidehiro Ito, and directed by Rokuro Mochizuki, this anti-hero story follows a fallen boxer turned extortionist. Takasu Goro, once forced out of boxing by a fixed match, now runs a front as a private detective while blackmailing targets ranging from students to yakuza bosses. Feared for his ruthless methods, he’s known as “the dirty one”. His intellectually disabled sister Keiko befriends a man named Osho at her favorite riverside spot. When a yakuza executive is killed, Goro tries to extort the boss for 100 million yen—triggering Keiko’s kidnapping.

Koji, who had a lonely childhood as an orphan, is picked up by yakuza gang leader Fujimura and leads a violent life without opening his heart to anyone. Koji, fed up with a life that leaves him with nothing but emptiness, decides to break away from the gang with his friends. Fujimura gives them one last job.

Although he graduated from the Department of Photography at a university, Tatsuya, who had been living a agonizing life without getting a job, accidentally ended up working as a photographer for a sex posting magazine. Pick-up, Aokan, SM, soap, but all the sex photos taken by Tatsuya are inked on the model's face, processed as amateur posts and incorporated into the magazine...

Asuka Hanyu, a lone wolf who will stop at nothing to investigate, is a cool beauty who throws away her voluptuous body and strikes her enemies right between the eyes. This female detective infiltrates the Taiwanese mafia. However, her identity is compromised when someone tips her off!