5 student who didn’t believe in ghost were in danger.one new student name park jiyeon was come into their life.after that one by one of them die.just 3 of them still alive.but how gonna happen with their life,all of them will safe or die.is jiyeon involved in this mystery case?characterkim dongjunryu hwayoungson dongwoonkwon sohyunlee sungyeolpark jiyeon   Foreword5 friend were in the canteen,talking about ghost in their school.they all didnt believe in ghost.they all were stuborn kid except for dongjun,he just a coward and crybaby."do you all believe that a ghost in this school?".dongwoon said"of couse not,they just created the story to make all the student believe their story".hwayoung said"maybe they talked about hyungsik ghost,they didnt know who kill them"sungyeol said"we should admit it all our fault"dongjun said "dont be stupid kim dongjun"sohyun said"i just"dongjun said"if you dont want to follow us,just get out from our group"dongwoon said "okay,i will follow you all"dongjun said."good"hwayoung saidwhen dongwoon,sungyeol and dongjun walked to their class,they saw a article about death of a student name park hyungsik and dongwoon take that article and throw the article away.sungyeol clapped his hand when saw dongwoon doing that."yah,you are so cool dongwoon""yeah,that me"dongjun just turn his face away from them.the three student didnt know an eye was spying them in silence.//hwayoung and sohyun were in the toilet and chat."do you know about what one student sohyun?""who?""park hyungsik""the person who we bullied him until him die""yes""why?""i dont know why i still think about that""but no one will know about that,right""i hope too"