this movies was sorta good. but definitely a good movie to watch. i totally recommend it. the killings start like a few minutes into the movies. because it shows you all the people first and you get to know a little bit of how the school looks like. so it's important that they did that. this movies kind of reminds me of the SAW movies. as in the American ones. where the killing techniques are totally different from the ones a regular murderer would use. literally all the killings torcher the person that is dying. i got scared because i kept on saying in my mind that something scary is going to pop out. that there is a ghost who is wanting revenge from them. but, turns out that...wait I'm not telling you. you gotta watch it for yourself and see what really happens. have fun.