Ryunosuke Takagi, once known as the "Invincible Dragon" and the strongest brawler, is now a bedridden old man living with his grandson, Kent. Kent, who is bullied and forced to run errands for delinquents...

Nanase runs a pawnshop in the Kabukicho area of Shinjuku, Tokyo, Japan. He is a genius appraiser able to distinguish fakes from originals. He gets pretty much everything at his pawnshop. When clients come to...

Ao Tanoue is the main character of the first generation of Toyosu Uogashi and the second generation of Tanouami Suisan. He is the biggest fish lover in Japan, or even the world. He not only buys fish, but...

A man named Rock survives in the busy streets with his immense knowledge.

The manga focuses on Gunji Kantou, the president of a mid-sized adult video production company based in West Shinjuku. With his keen sense of aesthetics and great mercantile ability, he has earned the nickname...