The hikikomori 'Hikage' is subjected to sexual abuse by her brother-in-law on a daily basis. 'Hikage can't go outside, so I'll go shopping for you.' The brother who smiles humbly and acts kindly always demands something in return. 'I went on an errand for you, so make my dick feel good...' He rubs his hardened crotch against Hikage, becoming aroused. He intends to stay in the room until he ejaculates. Everything becomes troublesome, and Hikage accepts her brother-in-law's demands. However, her brother-in-law's sexual desires gradually spiral out of control...
