9th SM Contest, M-Division, Gold Prize. Usually exhausted from bullying her incompetent subordinates too much. She is crisp and professional, leaving no openings in her speech or conduct. However, she is weak against verbal abuse directed at her.

9th SM Contest, S-Division, Gold Prize. Revealing clothes, flashy nails, and high heels accentuate her excellent physique. She is haughty and has high pride. She has a habit of saying more than necessary. She is submissive toward handsome men.

6th SM Contest, M-Division, Gold Prize. The all-time highest score holder in the M-Division. Usually works as a receptionist. She is shy and has trouble turning down requests from others, but she is good at social smiling. She loves being bound and tormented, but she has never been able to say so in her private life out of embarrassment.

7th SM Contest, S-Division, Gold Prize. The all-time highest score holder in the S-Division. A female hair stylist scheduled to be married next month. Alongside her work, she also serves as an instructor and has almost no time for herself. Perhaps due to accumulating stress at work, she loves to be the aggressor in her private life. Despite her true feelings, she is sociable and talkative. She binds her partners and torments them lewdly like a little devil.

9th SM Contest, Student M-Division, Gold Prize. A college student belonging to a tennis club. Influenced by her boyfriend, she became interested in SM and awakened to it. While serving her sadistic boyfriend's fetishes, she became skilled at seeing through the desires of others. Small but glamorous. Usually cheerful, but observes her partner closely during play.

9th SM Contest, Student S-Division, Gold Prize. A member of the rhythmic gymnastics club. She likes to keep things black and white. Fearless, she speaks whatever is on her mind.

A handsome SM expert. He has served as a judge for the SM Contests. He can play both S and M roles perfectly. Technically, he is the person in charge of this show (now a seminar), but he listens to everyone's opinions. Kind and silver-tongued. He accurately sees through the partner's psychology. He can also act as a grader.

An ordinary person who somehow came to the venue by mistake. She remains timid until her switch is flipped.