Iyona has just moved to the company, this is her first business trip but everything is going smoothly. Everyone went out for drinks after finishing work. Due to a power outage, the train back to Tokyo stopped running, so Iyona and the department head had to rent a room here and wait until tomorrow morning to return. Since she didn't have to go back today, Iyona enjoyed drinking until she was drunk. She didn't realize that she was being targeted by the evil boss. He booked a room and took advantage of Iyona's intoxicated state to make her have sex with him. Iyona resisted but to no avail. However, gradually, the pleasure and the big, hard cock of his, combined with his superb sexual skills, conquered her mind. She slowly forgot about her boyfriend waiting anxiously for her to return. All that was on her mind at that moment was sex, she wanted to enjoy more, to feel sensations that her boyfriend couldn't bring to her...