I'm Lee Know, one of the teachers at an expensive university in Seoul, where most students are rich or just a few scholarship holders.

All my students respect me, only few disrespect me. One of them is Han Jisung, the most annoying boy I've ever met, he loves to tease me. I'm 27 years old and he's 22, which annoy me since he doesn't show any respect for me...

I was teaching normally until I felt something on my head, a little ball of paper...