Kim Minjun, a 21-year-old hoping to break free from the forever-alone label, reluctantly joins the university film club with hopes of making friends and, ideally, a girlfriend. However, his shy demeanor makes him an easy target for teasing from his friends during club gatherings. Just as he considers quitting the club, Minjun stumbles upon an old smartphone in the storage room. "Ding! Welcome, Minjun. StudHub is an app designed to enhance your love life." As Minjun explores the app, his junior, Sua, walks into the storage room, triggering a series of tasks promising special rewards from the app. Will this mysterious app lead Minjun to true love?