Left alone under the same roof with Haruka, his mother's enchanting best friend, young Kazuwa surrenders to a world of whispered glances and lingering touches. As desire simmers beneath polite smiles, the air thickens with irresistible tension. With playful kisses and seductive promises, Haruka leads him into a secret dance of yearning — where innocence dares to collide with passion in the quiet of an empty home.