Salaryman Kintarou
Alternative:
Status: Finished Airing
Genres: Comedy, Drama, Martial Arts, Seinen
Description
The story follows Kintaro, former leader of a widely feared and respected biker gang, who decides that its time to "straighten out" and become a "salaryman" since his wife died and he has to take care of his young son.
(Source: AniDB)