[I peeked in, the face behind the chairman ...] I didn't expect that the cutest chairman in the class was a perverted masochist woman ... - Her propensity that I knew ... - The appearance of being tied up and seeking training is nasty ... - She is too different from her ideal appearance, and her jealousy and excitement cannot be suppressed. Bondage training, exposure shame play. A bondage masochist who drowns in the gap × a girl's metamorphosis training.