Two junior female employees in charge of employee training. "Mitsurugi" is now thriving in the secretarial department, having become accustomed to the work, and her sense of responsibility is excellent, earning her a good reputation within the company. Meanwhile, "Nagihara" is steadily excelling in the technical department, and her refined demeanor and considerate nature make her popular with male employees. While seemingly contrasting, the two share a commonality. That is "Maso Mesu Soap"... In that forbidden space, these two sadists worked. Their masochistic appearance, 180 degrees different from their workplace appearance, is this their true nature!? Although supposed to be off-limits, a system where various services are unlocked depending on how much they arouse the women.