Shakkin Shimai
English title: Debt Sisters
Japanese title: 借金姉妹
Alternative titles: Paid & Laid
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Oct 25, 2007 to Mar 25, 2008
Duration: 33 min per ep
Rating: Rx - Hentai
Studios: Blue Cat
Producers: MS Pictures, BOOTLEG
Licensors: Kitty Media
Genres: Hentai
Themes: School

Kaho and Kasumi are sisters indebted to the yakuza.  A student learns of their predicament and decides to pay off their debt for a certain price; they must become his sex slaves until he sees that their debt is clear.