Monica, a second-year office lady, is going on a business trip with her boss, whom she doesn't get along with, but this man is actually a playboy who preys on new graduates, and there are bad rumors about him. She herself was invited out drinking a year ago when she was a new graduate, and encountered a suspicious scene. Because of this, she thought she was being very careful on the day of the business trip, but she fell into Yoshino's claws again due to his clever trap...