Ore no Sora: Keiji-hen
English title: My Sky: Detective Story
Japanese title: 俺の空 刑事篇
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: Oct 21, 1991 to May 21, 1992
Duration: 44 min per ep
Rating: R+ - Mild Nudity
Studios: APPP
Genres: Action, Drama, Mystery
Themes: Detective, Organized Crime
Demographics: Seinen

Yasuda Ippei (Shonozaki Ken) is the son of Yasuda Seijiro (Osugi Ren), the head of Yasuda Group, Japan's biggest business conglomerate. Although he is the son of a distinguished family, he has absolutely no disagreeable areas and is liked by everyone. 

His academic achievements are exceptional. He completed his entire high school programme in 2 years and qualified for Tokyo University's Faculty of Law without studying for the exams. In order to establish his own concept of justice, Yasuda leaves his position as the heir to the Yasuda Group to attend the police academy. He becomes a detective at Kyobashi Police Precinct and bravely faces great evil.

(Source: DramaWiki)