Toriko no Chigiri: Kazoku no Tame ni Shintai o Sashidasu Ane to Imouto虜ノ契 ~家族のために身体を差し出す姉と妹~Shino Contract ~ Sisters to Share Their Body with the Whole Family포로 계약: 전가족과 몸을 함께할 자매Contract of Captivity: Sisters Who Offer Their Bodies for Their Family`s Sake
Based on the erotic game by Guilty eX.
Two sisters, living peacefully with their grandfather who heads a Yakuza group, face a dilemma when their grandfather falls ill and another rival group starts putting pressure.
The only way out is to accept the deal with another Yakuza group for support in return for one of the girls.