Kotoura is a teenage girl with the ability to read minds. This ability has lead to her living a rather troubled life due to the fact she couldn't keep her mouth shut when she was younger. She lost many friends due to being thought of as a liar or a monster due to her ability to read minds. Later on she drove her parents away too, Leaving her alone with her grandfather. Learning from her past mistakes she closed herself off from others until the anime starts. Where she gets befriended by a classmate in the school she just transferred to.