Balthus: Tia no Kagayaki
English name: Balthus: Tia's Radiance
Genres: Action, Romance, Hentai
Type: OVA, Episodes: 1
Aired: May 25, 1988
Studio: Kusama Art
Source: Original
Rating: Rx - Hentai
Synopsis:
In the village of Le-jeute, all is not well. Over shadowed by the mysterious factory city called Balthus, this peaceful little village are lured into life with the promises of pleasure that await them. But when the workers realize this, its too late to forsake the factory. 

(Source: ANN)