There is no male-female friendship. It’s often argued that friendships between men and women quickly evolve into love or something else and come to an end, but Kouta always thought that’s not the case for them. However, a certain incident made them transcend the boundaries of mere friendship between a man and a woman. As Kaori’s birthday approached, Kouta pondered over what gift to give her. 「This year’s present is ‘me’!」 He said it as a joke, but somehow…while breathing heavily, Kaori’s eyes lit up like a wild beast (?)