This novel is an original story based on "The Exorcist Boy". It takes place in the Western classical sadistic love. In everyone's world view, only normal people can have romantic and moving feelings. However, the protagonist of this novel is a girl with mental problems. With the help of her companions and loved ones, she has found her truest self and gradually stepped out of the shadow of a "mental patient". It is a story of a girl who goes from being weak to being strong.