After learning that her son's best friend, Tsutomu, is still a virgin, Yuu's sexual instinct flares up due to her daily frustration. She tries to get Tsutomu's dick somehow, but Tsutomu explodes in a matter of minutes due to her carnivorous mother's tremendous technique. Yuu is shocked when Tsutomu runs away from her embarrassment and humiliation. And that night... Yuu appears in Tsutomu's dream pillow, who can't forget what happened during the day...
