I Liked You First

Jun-Seo, who entered the same university as his senior Si-Woo, whom he had a crush on for a long time, finally decides to confess to Si-Woo, who is liked by everyone regardless of gender or age. However, Ji-Hyeok, a delinquent who keeps appearing around Si-Woo these days, catches his eye... Somehow, their relationship seems unusual?!

"I liked him first..?"

(Source: Mr.Blue, translated)