Beautiful and popular Nakatani Hiyori falls in love at first sight with underclassmen Amano Kasumi, his roommate in the boy's dorm. Overcoming a rare case of nerves, his big confession recieves the reply "Okay!?" From here on, living in the same room with his mutual love, they can only move forward....Or that's how it was supposed to be, but Kasumi won't even let Hiyori touch him! What will become of Hiyori's burning body!? A rutting school type love, Hiyori's older brother Nakatani Sawa's 'lose or win' story is also included.