Yuuna, a single mother who raised her son alone, remains unaware of his feelings and tries to introduce him to a girlfriend. This triggers her son to confess his intense love for her, gradually deepening their forbidden bond. Driven by uncontrollable desire, he passionately takes her like a wild beast, unable to resist his longing. Yielding to his fervor, she reciprocates his passion, transforming their relationship into something far more intimate and taboo.