Yuuki, a late bloomer who has never been kissed, secretly has feelings for his classmate, Nao. He was dead set on never becoming anything like his gay playboy of a brother Mizuki, but Nao asks him for a kiss out of the blue… Maybe this could work after all…? “You look like Mizuki,” says Nao with a laugh… Is Yuuki just a stand-in for Mizuki…!?