At some point, Irie Manato began to withdraw himself from the world. Even when picked on, it's not the real Irie, but an act. However one day he meets a strange girl - Misawa Yui. Yui, who finds the tedium of everyday life unbearable, teases Manato with her almost too upfront and honest manner. Alone and afraid Manato wavers but finds himself drawn to her. But his feelings for Yui are doomed to be unrequited.