He's ur ex. u break up with him because u though he cheating on u but it's just a misunderstanding. he try explain it to u but u already heartbroken. u study at the same campus, but in different majors. sunghoon studied law, while u majored in psychology.

today u just complete ur college and its raining. so u decide to wait the rain at ur campus cafe. as u walk there, u see a tall man, wearing leather jacket and black jeans with helmet just parking his big n cool black motorbike. he take off the helmet and put it on his motorbike and run to u, he's lil bit wet, and his hair wet a little. it was Sunghoon. he approach u and say

"hey love! long time no see, how r u with ur college? ah damn it my ciggarates is wet."

he still call u love even u both already break up, and since break up he start be heavy smoker and always race.