W.Christmas remake (parts like location and more are taken from there) 

In the cold mountains of Gangwando, there is a very prestigious, private high school named Soo-Sin. Soo-sin is located in an isolated area and all the students and the staff stay in dormitories. The students at Soo-Sin comprise of the smartest or the richest 0.2% of all the students in South Korea 

in order to get into Soo-Sin high the students must have perfect grades or very strong family connections on top of being very rich. it is even harder to get into than Seoul National University. Because of this, most of the students at Soo-Sin high must compete fiercely and study.. even on weekends. Their only vacation days are the 8 days from Christmas Eve to the first day of the new year. During this time, the students and faculty leave the school. The school becomes empty.

On December 24, 2014, buses full of students left the school.

while Diligent honor student Kim Minsoo and many more stayed behind because of a letter they received a couple of days ago. The letter is full of hate and states that everyone will die

~~~.

back in the school,the 18 students who stayed behind ...

"Kim Minsoo

 Kim jongin,

 Oh Sehun,

Wu Yifan,

Xi Lu Han,

Park chanyeol,

Huang Tao,

Song Mino,

Nam Taehyun,

Kang Seungyoon,

Kim Jinwoo,

Lee Seunghoon,

Lee Chaerin,

Gong Minji,

Park Bom,

Park Dara,

Kim Hyuna,

Krystal soo jung

All of those whose names were mentioned ,little miserable souls who remained in our lovley school ,please report to the cafeteria now.

i repeat.. The 18 idiotic fools who remained ..report to the cafeteria RIGHT NOW."

~~ room 163  -19:07 -~

"should we go?" Bom asked Minzy who layed on her bed trying hard to hide her irritation "i don't know if i want to..it's going to be too noisy for me this year. Why would so many students stay this year? last year we were the only ones" Bom sighed "who knows..but for whatever reason i feel more relieved" Minzy raised her eyebrows at Bom's last comment "is it because of the letter prank ?" the second the letter was mentioned Bom started to Shiver " why would someone prank us like that? it's a freaking sick prank..does someone really hates us that much that he wants us to die?" Minzy grabbed a blanket from the bed and covered Bom with it "calm down,nothing bad won't happen..let's just stay here"

~~cafeteria  -19:07-~~

Slowly the students started to trickle in. First three tall male student walked in quickly finding their places,few minutes later an lovely girl with marble features entered "Dara! come sit with us" one of the tall boys,a guy named chanyeol invated happily,in return she coldly ignored him making her way to the PE teacher."Don't you think you were a bit rude back there."18 idiotic fools?"" The teacher smirked and was about to answer but was cut by a group of five guys and one girl walking in "Taehyun ah! my favorite idiot stayed" the PE teacher said ,making almost everyone laugh "it seemes like you in good mood? teacher Kung" An angry, tall ,blonde boy walked up to him "Sehun ah ,do i really look like i'm in a good mood to you? i'm feeling So happy to spent my only vacation with 18 of my 'favorite' students" Sehun smirked as he patted Teacher kung on the back "The feeling is mutual, buddy"

~~cafeteria  -19:20-~~

"why is there only 15 students ?who isn't here ? i need to check the Presence..Sehun..✔Mino.. ✔Dara.. ✔Chaerin..✔Hyuna..✔Krystal..✔Luhan..✔Minsoo?..Kim minsoo?"

~Silence~ ."Kim Minsoo is not here!? well the nerd must have a good reason for being late..ok next is..Kim Jongin?" Kai rolled his eyes while raising his hand "Kim Jongin✔ Tao ✔    Yifan ✔   Chanyeol ✔    Taehyun ✔   Jinwoo ✔    Seunghoon ✔    Seungyoon✔Bom..!?.. Does anyone knows where is she?" Krystal Smirked "i think Bom and Minzy decided to stay in thier room..i quess they don't want to see me, probably beacuse they are too scared to face me after what happened yesterday" Dara and Hyuna laughed at how delusional Krystal was "No one here really wants to see you" Chaerin added making the PE teacher laugh "Ok ,three students decided not  to show up so let's start eating without them then" 

~~cafeteria  -19:40-~~~

Teacher Kung decided to serve alcohol to the minors on account of the holiday while deep inside he was wondering why a group of so many students have stayed behind. the group ate quietly untill..  "do you know why did God inventsd high heels? so woman could put dishes away on the top shelf hehehe "no one – especially the girls– thought that the teacher's joke was funny "i bet his mom dropped him on his head several times when he was a baby" Hyuna said "i think he  got some big problems" Mino added "either way he is really getting on my nerves" Hyuna was about to walk out of the cafetria when "since you all stayed maybe i should tell you the Eusan story ,the true horror story that happened in this school ten years ago" Taehyun who was busy with his phone for the whole time suddnley looked up "Eusan? the girl who killed herself?"the teacher laughed "no she didn't kill herself.it's just what the faculty wants the students to believe in ..what really happened was much more messed up.."