Naoko no Tropic Angel: Hyouryuu
Genres: Hentai
Type: OVA, Episodes: 1
Aired: May 10, 1985
Source: Unknown
Rating: Rx - Hentai
Synopsis:
One of the first adult OVA. Released in 1985. The Naoko in the title refers to the original author, not a character. 

(Source: AniDB)