Although Touko's relationship with her husband has become cold, her body is in the prime of her life and her lust and sexiness are overflowing, leading to her indulging in masturbation every day. Touko, who is originally bisexual, falls in love at first sight with Yuka, who came to greet her after moving in... While Yuka's husband is away on a business trip, she seduces her and they start a secret lesbian relationship. They press their wet lips together, rub their hardened nipples together, and lustfully seek each other's vaginas...