During the humid rainy season, Ai, a wife, is worried about her husband's life after he was laid off and can't even pay the rent. Even though she encourages them to both work, her stubborn husband refuses to let Ai go out to work. Sugiura, the owner of the apartment, acts like a nice guy in front of her husband, but in front of Ai, he is a sneaky man. When her husband isn't looking, he starts to complain and make snide remarks and get close to her. And then, of all things, he threatens Ai by saying, "Just once, just once," and starts to lick Ai's body, which she is unable to do anything about...