Hikage, a recluse, is sexually abused by his brother-in-law on a daily basis. ``Hikage-chan can't go out, so I'll go shopping for you.'' The older brother always asks for something in return because he's kind to her with a servile smile. "I'm going to run an errand for you, so please make your dick feel good..." My brother gets excited as he rubs his hard crotch. I'm going to stay in the room and beg you until I make you cum. Everything becomes troublesome, so Hikage accepts his brother's request. However, my brother-in-law's sexual desire gradually goes out of control...