A strange little house, a seemingly innocent little girl, a talented student, and a seemingly peaceful elite school. What is it that connects them? Is it destiny? Or an unknown conspiracy!
As the mystery of the principal's mysterious death is revealed, the mysterious missing class that was hidden within the school reappears. A long-dead man sent a letter from hell. What is in it? Is it some major clue or a school game that has been concealed for a long time...
Four students who were not supposed to be related formed a chaotic group under the guidance of letters... Will their fate be changed? Can they find the secret?
First scene
The crow is a symbol of inauspiciousness. If it appears during the day, it will be nothing. What is more terrifying is that it appears at night...