After becoming a woman, Airi continues to have nightmares of being chased by a masked man and strangled. There are no clues to find out what is wrong with her, and Airi, who can no longer distinguish between her dreams and reality, is drawn to a hospital. Her nose-piercing smell fills her mind, but when she pulls on her doorknob, the masked man from her dream is beckoning her... Even though she thinks she should never go in, her body starts walking to the clinic to see her. After taking some of her psychological tests, what awaits her is...
