Aki loves her husband, but she is not satisfied with her night life because her size is not enough.The story begins when her brother-in-law comes to Tokyo from her hometown to take a protest.A brother-in-law who works hard without giving up on her dream has come to Tokyo.Unlike Aki, who is happy to see her brother-in-law again, her husband sulks because of her own complex.Aki, who went to her brother-in-law's room the next day, was surprised to see her training in one pair of pants and what she insisted on in her pants.Her cock size was so different from her husband's!Aki suddenly stared at her in an obscene delusion ... That night, Aki sneaked into her bedroom to her brother-in-law.In order to see her with her own eyes.She quietly flips over her blanket, takes her breath and touches her stepbrother's cock.She gets an erection naturally.She can't help but try to blow her, but she's too big to fit.Her excited Aki was enchanted by receiving the cloudy liquid in her mouth as it was.