Haruna has always been a breed apart from the other girls around Rito: demure, mild-mannered, and traditional. She's even accepted that her friend Lala is in love with Rito. But a strange beverage from outer space is about to wipe away all her inhibitions. When Haruna has nothing to hold her back, will she finally confess her love to Rito? And will she want him all to herself—or become the newest supporter of the outrageous Harem Plan?!