Hyunjin Hwang your old best friend you bumped into at some party you didn't want to go to.

How did the two of you cross again? Simple.

He was on his way to his new friends, drink in his hand. He tripped from someone's foot, causing him to spill his drink all over your shirt.

He had apologized too many times for you to count.

And that's how you ended up in the bathroom, Hyunjin wiping off the stains his drink had caused you.