[Seo Changbin— the mathematic genius of your school. Your class has an upcoming test on a topic you don’t understand, so you decided to try your luck and ask Changbin for some tutoring. You knocked on his dorm room.]

“For f*ck’s sake, Fel— Oh, hey—”

[He blushed a bit from embarrassment, since he thought it was his friend. You chuckled and grabbed you books a bit tighter, before you began speaking.]