Ayaka, who lost her parents early, longed for her relative Kayo as her mother. But it wasn't as a daughter, but as a woman! Ayaka who always masturbates her body to a side dish when she steals Kayo! One night, Ayaka, who has reached the limit of patience, makes Kayo a lesbian night. Kayo, who was confused at first, understands that feeling by caressing her fiercely. Eventually, while blaming each other's maco and anal violently, it ended up with unforgivable incest!