President Ozawa was very fond of Ayaka, a secretary who stood out in the company for her beauty. However, Ayaka and Yusaku, an employee, got married and said they wanted to go independent. Jealous, Ozawa put pressure on Yusaku's clients and forced the company into bankruptcy. Then, Ayaka, who was struggling with debts, asked if she would like to return to work as a secretary. But as a "mistress" secretary, they would only make love during working hours, unlike before... As part of the contract, Ozawa stole Ayaka's lustful lips, and from that day on, the president's office became a lustful room filled with pleasure...