New employee Reina is about to go on a business trip with her boss, who is insensitive and physically repulsive, and complains to her boyfriend. Her boyfriend is kind and listens to her every word, but she feels that sex is not enough. Then, on the day of the trip, one of the trainees can't come, so Reina is left alone with the boss. To top it off, she is forced to entertain clients and drink in one gulp, which she is not used to, and is sexually harassed by the president of a client company, which makes Reina yell at him without thinking, but the deal falls through, and then, due to a mistake at the inn, she ends up sharing a room with the boss, who she hates, who is furious...