C1701 End

Su Yue and Yang Xiu examined the corpses of the students in the room in silence, but other than the pink hairpin that Su Yue found in the beginning and the love letter that Yang Xiu found that could infer the exact time of the school's large-scale death... There were no other discoveries.

Su Yue understood in his heart that the key to clearing this game was a puzzle game. To solve a mystery