Airi continues to suffer from the nightmare of being chased by a masked man and tightening her neck after becoming a woman. - There was no clue to find out the cause of her, and Airi, who couldn't distinguish her dream from reality, was drawn to a hospital. - The scent of her nose is deafening, but when she pulls her doorknob, the masked man in her dream is beckoning her ... - Her body begins to walk to the clinic and sees her, even though she thinks she should never enter. - After being asked some of her psychological tests, she was waiting ...