When Ash Dellik was found dead at the school gym court, the whole establishment trembled. He was the school prince and the upcoming prom king. Suicide, everyone assumed. But then he just appeared in front of Win, asking the latter to gather their “gang”  again and find out his murderer.

Through the past and the present, Win remembers and grieves for Ash. But Ash’s death is actually only the first pawn’s move in a chess game by an entity… By a demon who prepared for this moment even way before the gang’s members were born.