Cicada Dreams of Butterfly

Sheng Guanjun, who is eager to change his boring life, unexpectedly has the ability to travel back to the past. However, opportunities mean danger, and many powerful and dangerous monsters also appear. Sheng Guanjun will join hands with his companions to save the world and make up for his regrets. But... Is that really the case? This is just a toy field for big shots. Everything is a pawn. Don't trust anyone or anything worth trusting.