Shakkin Shimai
English title: Debt Sisters
Japanese title: 借金姉妹
Type: OVA
Episodes: 2
Source: Visual novel
Genres: Hentai
Studios: Blue Cat
Producers: MS Pictures, BOOTLEG
Duration: 33 min per ep
Rating: Rx - Hentai

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.