Shimojo is bored to death of life always going his way. His thrill-seeking led him astray and onto the path of a mafia-like degenerate. Nevertheless, he still feels like his life is on easy mode. One evening...

Tsubaki is an undercover investigator who infiltrated the Soga gang to destroy the headquarters, the Shintou Group, as a whole. His plans came to a halt when the successor of the Soga gang, Kajiro, saw right...

Four years ago, Souda Gin and Hanai Kosuke worked a case together as two anti-organized crime police officers. Now they've both quit the force, Gin to become a private detective and Hanai to become a yakuza!...