Don't Leave After School

Don't Leave After School summary:

In order to repay a favor, Yu Le ended up being a scapegoat, severely insulting the school idol Gu Yan.
Gu Yan has been glaring at him, from the beginning of class, all the way till the day's end.
In order to get his "revenge", Gu Yan kept finding trouble with Yu Le.
Originally, it was just to teach Yu Le a lesson, but who could have expected the "revenge" would actually change. Gu Yan felt that Yu Le was gradually pleasing to the eye, making it harder to make a move...