Bondage Lady Sister Sato Haruki, Otsuki Hibiki

The father, the president of a large company, disappeared due to bankruptcy, and the dealer began to approach his daughters who had still to pay off their debts. The sisters run away to their empty grandmother's house, but are tied up and raped by the servant betrayal. The bodies of beautiful, beautiful sisters' breasts are tainted by the hands of men! The ropes dig into the beautiful breasts, and the sisters eventually fall into devotion and fall into pleasure.