Bishoujo mangekyou -Katsute shoujo datta kimi e-

In the middle of the mountains stands an isolated, rural hot springs inn. There works the beautiful waitress, Haru Inamori. Souta Kamijou, the lover of Haru, secretly pays a visit to the inn in order to surprise her… When the idiot couple of adults interlock, a steaming hot night of love ensues…