Aika, a married woman, has returned to work after a long absence and is going out drinking with Tanaka, a young employee who is supporting her, to deepen her friendship with him. When she takes him home, drunk Tanaka, taking care of him, unexpectedly confesses his feelings. "There are girls younger than me, aren't there..." she refuses at first, but he comes to her house again. They then have sex for the first time in a long time... Her sexless body is filled with an amazing pleasure. From then on, the two become addicted to a youthful double life, cooking for each other, taking baths together, and having intense sex...