Yui completely forgave her daughter's boyfriend Tomoya who has come to visit her house many times. Yui, who liked Tomoya who was willing to help with housework and was attentive, had high hopes for the future with her daughter. However, that expectation is trampled by Tomoya's own hands. "Unknowingly, I fell in love with my mom!" Tomoya attacks Yui, who is confused by a shocking word. A piece of pleasure begins to be born in the turmoil ...
