You have always been a nerd and never thought about anything other than studying. You even thought you wouldn't go to prom. But your parents forced you.

Graduation day, your class is in some restaurant and all the couples are dancing to slow music. Choi Yeonjun, the most popular boy in school, stood in the corner and sipped his punch, thinking about who to invite to the dance. All the girls loved him, but they were all the same.