A legendary television series and cultural asset, Mr. Kinpachi in Class 3B is famous for putting many social issues on the front burner of the public conscious over its long run, as filtered through the emotionally volatile lives of third year middle school students. The heartfelt relations between a devoted schoolteacher, Kinpachi Sakamoto, and his unique students have won the show high praise for several decades. Whether due to the pressures of exams, family relations, teachers and friends, graduating middle school students navigate a turbulent hormonal sea of “hope” and “frustration”, constantly shaped by the social environment of the times. Standing as a beacon in the storm and emitting messages of hope for each generation is one Japanese teacher, Kinpachi Sakamoto, who has come to be adored and admired by a nation through the adventures of Class 3B.

Mike Hama, Private Detective, is a chain-smoking, wisecracking tough guy with a weakness for the ladies and a soft spot in his heart, especially for his kid sister Akane. Mike's so down on his luck he'll take any case, from finding a lost pet to spying on cheating spouses. But every now and then, along comes a client with dubious and dangerous case… and that's when Mike shows his stuff.

Asato is a young man who returns to a slummy neighbourhood (referred to as 'The Street') to be near his Mum who is in prison. He is able to transfer other people's injuries and is unable to walk past a child with a grazed knee or broken arm without helping them. Asato is protected from street thugs by Takeo, another troubled young man who has issues involving his father who is lying in a coma in hospital. The third member of their group is a young waitress, Shiho, who has her own secret.