On an April night in Tokyo, still too early for fireworks, university student Kakeru Mano meets a woman named Koharu Fuyutsuki. She is a beautiful girl who stands out from the crowd, laughs a lot, and exudes a warmth that contrasts sharply with Kakeru's own introversion. But there was something Kakeru didn't know at first—she can't see. Unlike Kakeru, Koharu hasn't given up on anything, even with her blindness. She a...