My mother-in-law wants her son-in-law's big dick all the time, and I can't resist inviting her. Kana Mito.

Kana, who now has to live with her daughter and her husband, is frustrated by the frustration caused by her husband being transferred to work alone.At that time, she learns that her son-in-law, Taichi, also has no sex and indulges in masturbation every night... Kana was captivated by his gigantic dick and tried to force him to do something for her daughter. Taichi can no longer resist his girlfriend's stepmother's drastic temptations, and before he knows it, he can't live without her...