It has almost been half a year ever since Song Jieun's death and the students of H2-2 are pretty much convinced that she was gone for good, disappeared the Earth's surface and down to Hell. Nobody bothered to know or care about her anymore, all except Byun Baekhyun.

That was until Park Chanyeol, their 2nd year form teacher decided to teach them. And boy, things took a wrong turn.

The students would call it 'karma' but Byun Baekhyun knew why she was back — Revenge.

20 students and 1 teacher; is it what they call 'survival of the fittest'?

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Hello there, it's sunbae-nim or you guys can call me Dei.

This is my first fanfiction and I apologize if my English isn't up to standard. It's my first language but I'm not really fluent with it, if that cleared your assumptions.

This would be about mystery with some horror and perhaps some thriller combined (?)

Anyways, as usual the cliché thing; do not plagiarize and oh, huge thanks to feng_hua of °W a n d e r l u s t°. Really liked the poster and bg OMG. < 3