At the beginning school in the 21st century became a competition for survival into thriving for academic achievement until the ghosts came around they are bothersome.

So no longer a fun place for ghosts, instead the ghost hunts begin...

Orginal webtoon
http://m.webtoon.daum.net/m/webtoon/view/huntedschool

The pain Korean high school students have to go through... Going to school at 8am and coming home at 10pm...