Takuya, who started a shared apartment near his university for convenience, meets two older women, Reiko and Natsuko, as his new roommates. Their warm, gentle smiles and delicious home-cooked meals make him appreciate the joys of roommate life. However, one night, Reiko and Natsuko appear at his bedroom door drenched in sweat, wearing only camisoles, leading to an unexpected turn of events.