Yuna has had a smooth life growing up and is famous for her beauty at university. When he was invited out for drinks by his classmates from university, he was told that the female friend who was supposed to be there had canceled at the last minute. The toast is short-lived, but the alcohol makes Yuna sleepy. The men do whatever they want to the sleeping girlfriend and cum inside her. After that, Yuna is forced to drink sex, and when she wakes up, she loses her reason and is swallowed up by sexual desire.