You are about to go on a date with a guy from your physics class when Sunggyu interrogates you. As Sunggyu's interrogation progresses, hidden feelings will arise. Hidden Love.

After recieving a thirteen perecnt for your latest maths test, your teacher has assigned a tutor to teach you until the week before final exams.  

The person that you were running after for months, absolutely infatuated with, has left you. Left you to wallow in depression. Why did he do this to you? After all you've been through. If he didn't love you, who would?