Hyeji is a famous SNS star with over 100,000 instagram followers. Due to her popularity, Hyeji has recieved many confessions, but despite that, she doesnt really have much dating experience. One day, Hyeji recieved an invitation to go out on a date with another popular SNS star who she secretly followed. On the day of the long awaited date, Hyeji couldnt stand the subtle light coming from the karaoke bar, so she decides to use her feet to take a selfie. But due to an accident, Ki sung, who was a Part-timer at that time, ended up seeing her in that embarassing position.

After that Disastrous Date, Hyeji decides to end her first ever relationship. However, on her first day at school, she meets Hae ri. The person who gave her that embarassing memory.