Eri is a 22-year-old girl who dislikes contact with the outside world and tends to be absorbed in delusions. One day, a romance novel written by making use of the delusion was kept in the eyes of critics and received a new award. She made her debut in luxurious literature, she began to be interested in love, actively trying to associate with men. However, her love affair did not go well, eventually she began to strike the stress of Rie, the main character of the novel. Rie, who dislikes being overwhelmed by her whimsical fantasies, draws Eri into the world of delusion. A world of delusion, that is a terrible world where Eli's delusion is a reality. Eli tried desperately trying to stop delusions, but it came to the destruction of her psyche...