Hoshina Shuuji has a secret: He has a mysterious power that allows him to perceive the emotions of others.

However, he is soon to find out that he is not the only one who has something he doesn't want others to find out about as Ayachi Nene, a classmate, likewise has a secret. Bonding over their secrets, two who otherwise would have never really gotten to know each other grow closer and Shuuji's everyday life changes forever.