You (y/n) is currently a college student and while working on campus you became friends with Hyeyoon sunbae who was basically someone you viewed as a mentor/older sister and trust me when I tell you this: I never meant for her ex to catch feelings for me To be completely honest you weren't even aware that her ex would take an interest in you, considering that the two of you barely spoke even when Hyeyoon unnie was dating him. But what made him notice you all of a sudden? What