Si-Ru is devastated when her crush, the dreamy Gi-Baek Seol, effectively friendzones her. She goes out that night to drown her sorrows, but after one too many drinks, ends up accidentally kissing someone. The next day, two people in her class show up with a swollen lip. One is Gi-Baek, and the other is Cheong, a tall and quiet guy who’s always been...