Hosoda, the homeroom teacher, is a perverted S-man with a desire for bondage, and every night he masturbates with the fantasy of tying up his student Himesaki. One day, he called her to his house to give her career guidance and placed a rope where she could see it, and she kept glancing at it. Seeing her appearance, Hosoda is convinced that she has a 'bondage desire' and uses his words to lead her into bondage. She doesn't like it at first, but on the other hand, her pussy gets wet. From there, through Hosoda's 'punishment', her perverted nature further accelerates.
