Mio is a sexual monster in her 40s. Her sexual desire grows stronger with age, and she has no way of controlling it. Her husband is working overseas, and there's no way she can hold off on sex until he returns home. For now, she seduces her son, the man closest to her, and uses him as an outlet for her sexual desire... However, Mio is still not satisfied, so she goes on a spree of men on social media one after another...