Koha Ginjiro
English title: Trusty Ginjiro
Japanese title: 硬派銀次郎
Alternative titles: Kouha Ginjirou
Type: OVA
Source: Unknown
Episodes: 3
Status: Finished Airing
Aired: May 22, 1991 to Nov 20, 1991
Duration: 45 min per ep
Rating: PG-13 - Teens 13 or older
Studios: animate Film, Visual 80
Producers: Bandai Visual
Genres: Action, Drama
Themes: School
Demographics: Shounen

After the death of his elder brother, Ginjiro Yamazaki appoints himself his parents' protector. After transferring to a new school, he gets into a lot of fights.

(Source: The Anime Encyclopedia)