Chihana, who lives with her mother, agreed to her mother's remarriage happily. However, one day after returning home from school, she was suddenly attacked by an unknown man. He forcefully French-kissed her, licked all over her face, drooled on her, and despite her sobs and resistance, he raped her while she was covered in saliva… Later, she found out that the man was her mother's remarriage partner, and the secret saliva humiliation began.
