Unable to resist the allure of my friend's voluptuous girlfriend. Unable to withstand the charm of my beautiful girlfriend. Minamo Nagase uses her strength and beauty to seduce Daisuke, the son of her sister Arisu. One night, while Daisuke is sleeping in bed with Arisu, Minamo sneaks in to tempt him. Daisuke cannot resist the effects of Minamo's powerful punches and flying ability, so he continuously falls victim to her. And then Arisu discovers this and 'fights' with Minamo to find out who has made Daisuke better!!!