Teleclub no Himitsu
English name: Secret of Teleclub
Genres: Hentai
Type: OVA, Episodes: 2
Aired: Aug 23, 1991 to Sep 27, 1991
Source: Unknown
Rating: Rx - Hentai
Synopsis:
A lonely man discovers the seedy world of the telephone club, where he can wait to receive calls from women desperate for sex and soon he becomes a happy escort. 

(Source: The Anime Encyclopedia)