Beautiful office worker Nana Kamiyama is working late when her boss brings her some alcohol. Once drunk, he makes a move on her. Although Nana is happily dating a coworker, the alcohol leaves her flushed and unable to hide her body's response. Her boss keeps fondling her even while she talks to her beloved boyfriend on the phone, making her wetter and louder with every touch. Soon they lose themselves in illicit office sex on the sofa and across the desk.