My younger brother died.

And it happened inside the prestigious private school that I struggled so hard to get him into.

As I was crying in despair in front of his grave,

A strange man who claimed to be the student council president appeared and made an unbelievable offer.

“Would you like to go back one year if you could?”

After losing their only family, the protagonist makes a desperate deal to turn back time and save a sibling. They enroll in a mysterious school filled with dark secrets and ghostly events. As strange phenomena unfold, it becomes clear the sibling is deeply connected. Now, survival means unraveling the truth and escaping together.