Kimura Aiko, a female section chief known for her excellent work proficiency, large breasts, and beautiful looks, complains before a business meeting in the countryside, "I don't want to go on this business trip..." Accompanying her is her subordinate, Azuma, who is considered a problem child within the company. A sneaky pervert, he stares at Kimura's large breasts with lustful eyes every day. On the night of the business trip, after dinner with the client... Azuma makes a simple mistake and Kimura ends up staying in the same hotel room. Kimura is shunned by Azuma...