In which you and your friends are gathering to celebrate Jaemin's birthday. But while waiting for them you're taken back to high school where you met Jaemin, as you reminisce about your times together and how it all begun.
Saemi is just a normal girl who has moved to the city. Living in a boarding house was the last thing on her list. When she meets the guy next door, her argument is only strengthened. Kim Taehyung, the heartthrob of the university, is that guy next door. One of his favourite hobbies- troubling and teasing Saemi. As if...