"Towa", the shut-in, is sexually abused by her brother-in-law on a daily basis. "I went shopping for you, Towa-chan." Her brother, who smiles humbly and acts kindly, always demands something in return. "Since I did your errand, make my dick feel good..." He rubs his hardened crotch against Towa, aroused. He intends to stay in the room until he ejaculates. Everything becomes a hassle, so Towa accepts her brother's demand. However, her brother-in-law's sexual desire gradually spirals out of control...
