Datenshi-tachi no Kyouen
Genres: Hentai
Type: OVA, Episodes: 1
Aired: Mar 10, 1985
Source: Unknown
Rating: Rx - Hentai
Synopsis:
A family who gets in way over their heads when the younger sister ends up owing the yakuza money. Since she can't pay, the gang members take her instead to use as a sexual toy.  She then enacts gruesome revenge upon her perpetrators.