Love at First Voice

Jo Ajin, a sophomore studying economics, gets excited whenever he hears Sahyuk's voice. Despite his efforts to avoid Sahyuk at all costs, they end up working together on a group project. To Ajin’s surprise, Sahyuk confesses his feelings for Ajin in a sweet, melodic tone. What's the secret behind Sahyuk's captivating voice? (Source: Lezhin)