Yuuki and Rieko are a beloved couple who have just started living together. Every day after meals, Yuuki would take the initiative to do the dishes, but one day, Rieko began washing first. Seeing this, Yuuki decided to tease her a little. Rieko seemed delighted by the unusual embrace from behind. As the hug lingered, the urge to kiss became irresistible. Their natural feelings for each other gradually lead them into a new, deeper relationship.