One day, Misako, a boss who is rigorously instructing her poorly-made subordinate Sato to become a full-fledged subordinate, has to work overtime without finishing Sato's work. Misako was frustrated by Sato, but the situation suddenly changed when she noticed a nasty look at Misako Sato. Misako, who was delighted by Sato who sees her as a woman, shows her body and seduces Sato on the contrary. Alone in the office at midnight ... It doesn't take long to fall into a forbidden relationship ...