Stalker and her secret sex

Na-hee, Woo-hyun's stalker. always hovering around it. One day, he helps Woo-hyeon, who is drunk and collapses alone. Na-hee succeeded in entering Woo-hyun's house without missing the opportunity. He succeeds in spending the night with Woo-hyeon... The next day, drunken Woo-hyeon sees Yeong-joo, whom he usually likes, at home and mistakenly thinks that the person who spent the night like yesterday was Yeong-joo.