haruka kotoura is a 15-year-old girl who was born with the psychic ability to read minds. as a child she blurts out what people around her are thinking, not yet knowing that these thoughts were connected to the person's true feelings. she soon gets ridiculed by her classmates at school and loses all of her friends. the strain gets to be too much on her parents as well which results in her mom abandoning her after she inadvertently exposes an affair between them. haruka becomes a recluse when she distances herself from everyone, concluding that she only brings people bad luck.