Aika, a housewife, goes out drinking with Tanaka, a young employee who has been supporting her after her long-awaited return to work, in order to deepen their friendship. While helping the drunken Tanaka and seeing him home, she is unexpectedly confessed to. "There are plenty of girls much younger than me..." She refuses at first, but ends up visiting his home again. From there, they have sex for the first time in ages... her sexless body is enveloped in an astonishing amount of pleasure. After that, the two of them fall into a double life like their youth, with home-cooked meals, bathing together, and intense sexual intercourse...