Shin Dousei Jidai: Hawaiian Breeze
Genres: Drama, Romance
Type: OVA, Episodes: 1
Aired: Jul 3, 1992
Studio: Animaruya
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
In this adaptation of a manga by Fumi Shibama, itself a retelling of a 1972 manga by Kazuo Kamimura (the original Age of Cohabitation whose existence is implied by the "new" in this title), Honda has been living with Eri for two years and debates whether or not he should ask her to marry him. 

(Source: The Anime Encyclopedia)