Seishun Fuufu Monogatari: Koiko no Mainichi
Genres: Comedy, Drama, Romance, Ecchi
Type: OVA, Episodes: 2
Aired: Sep 22, 1989 to Mar 23, 1990
Studio: Artland
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
Based on the romance manga "Koiko no Mainichi " by George Akiyama, serialized in Weekly Manga Goraku.

In a story that flits between serious drama and comedic farce, Shinjuku gangster Sabu and his young wife Koiko try to live a normal life, despite the interferences of gang politics and criminal deals. After she saves his life, Sabu's gang-boss, Tominaga, falls in love with Koiko, and sends Sabu into increasingly more dangerous situations, hoping to cause his arrest, and thus obligate himself to "take care" of Koiko while Sabu is in prison. 

(Source: Anime Mushi)