This time, Nanaka was assigned to a business trip with the team leader, the person she hated the most, who often sexually harassed her at the company. During the trip, he continued to make sexual advances towards Nanaka, frequently groping her and touching her sensitive areas. After the meeting with the partners, Nanaka went out for drinks with the team leader. When they returned to the hotel, Nanaka discovered that she had to share a room with the despicable team leader. Knowing she had been set up by him, Nanaka felt powerless, as the alcohol made it difficult for her to resist a strong man like him. However, after experiencing sex with the team leader, her body gradually changed. Although she verbally expressed her disapproval, her body craved more of his touch, wanting him to penetrate her harder and to ejaculate inside her womb. Even after the business trip ended, Nanaka agreed to become the team leader's mistress, allowing him to have her whenever he wanted, despite already having a boyfriend...