Haerin is a transfer student. Your first meeting was in the faculty when you were getting punished by your professor for getting involved into a fight.

But a few days later, the bully Tae-kki told everyone that Haerin is his.

One day, Haerin and you happened to bump into eachother outside school during class hours since you two skipped classes, so you twi just decided to skip classes together and eat Tteokbokki.