Two geniuses are rivals within a campus. Cha Seok Jin makes a false love confession to Kang Kyung Joo to shake her mentality.

Kim Do-hoon
as Cha Seok Jin

Chae Won-bin
as Kang Kyung Joo

Heo Jin
as [Gyeong Ju's grandmother]

Park Sung-jun
as Kwang Ryeol

Nam Joong-gyu
as Min Kyu

Baek Hyo-won
as Min Ah

Han Ye-ji
as Ji Soo