Urideurui Hontakan Raison d'Être

Sangil’s high school sweetheart and first love is eager to follow in the footsteps of his father, a professor at a prestigious university. So much so that he gives in to his family and marries, leaving Sangil heartbroken and scarred for years to come. Today, Sangil himself is a professor of Korean Literature who has recently become entangled with a pushy student named Haneul. Sangil finds the relationship entertaining enough at first, but begins developing feelings for Haneul as time goes by. It’s at this moment that Sangil’s first love re-enters his life asking for a second chance. (Source: Tappytoon)