Jiyeon has watched her poor friend die.Death..... That one word that can make people shutter.That one word that can turn someone into a monster.It wasnt Jiyeons fault she was in that scene.....That gruesome scene,who everybody has nightmares about.It wasnt her fault that she couldnt save her friend.Remember Memento Mori?Memento Mori has come to warn youto your worst nightmare...                 ForewordAt Incheon there was an accident,An accident, NO ONE, could forget.It involved Incheon high and their students.Death was what happened.No one knew the murderer and 2 years it was a mystery.Until one day,someone decided to take revenge...One by one students decrease as the number of questions increase....School has really became a nightmare.And the only thing that could save them,was memento mori, itself.MAIN CHARACTERS    Thank you to  Paper Heart // Postershop // for the images and everything!