Kohei is hard of hearing and often misunderstood or has to ask the person he is talking to to repeat themselves. Therefore, he remains to himself most of the time. That is until Taichi - cheerful and energetic - literally bumps into him. The fact that Taichi’s voice carries in a way that is easy for Kohei to understand, he starts to hear the world outside his own little bubble again. Perhaps there is still hope for him to live like any other person?