Now that her daughter has reached adulthood, Yuka begins to tire of her ordinary life, and secretly desires to regain her sense of womanhood. One day, she receives a consultation from her daughter's boyfriend, Yusuke... As she helps him overcome his premature ejaculation, Yuka's hidden sexual desire is violently shaken in her chest. Gradually escalating, the two do not stop at handjobs, but also perform fetishes.