Yui was completely open to Tomoya, her daughter's boyfriend who came to visit her house many times. Yui liked Tomoya, who actively helped her with her housework and was attentive to her, and had high hopes for the future with her daughter. However, her expectations are trampled by Tomoya himself. "Before I knew it, I fell in love with my mother!" A piece of pleasure begins to be born in her turmoil...
