Short yet scary third year at Nekoma High, Yaku Morisuke is yet to find a truly meaningful, long lasting relationship. In fact he insists he wants to stay single for unknown reasons to the others, but deep down he knows why. One day he meets the irritatingly tall Lev Haiba who just won't listen to him, endlessly pestering him about his height and always bugging him with his questions. This story, will follow his path after his fateful encounter.