Yumi, a forty-year-old sex monster. As she ages, her libido only grows stronger, and she can't contain it. Taking advantage of her husband's overseas assignment, she sleeps with anyone she can get her hands on—the delivery guy, the neighbor who brought around the community newsletter, and even a casual sex partner she met on social media. But her insatiable desire doesn't stop there; eventually, she even goes after her virgin son...
