What We Didn't Expect by _xXTillyXx_

https://truyen247.pro/tac-gia/_xXTillyXx_

It is a drama novel, it is about a girl who is socially awkward around girls, she has three good guy friends. She goes to a boarding school. The boarding school seems like an ordinary high school year, but things take a dark twist when people start to go missing, some people aren't who they say they are, and the school gets separated.

http://i.imgur.com/2kAxSp0.jpg