He Yuduan

The quiet life of high schooler Zhao Zuoyou is turned upside down by a mysterious new student, Xun Weilai, and a strange new neighbor, Zhao Liao. He never suspects they’re both versions of himself from different times. At 16, 41, and 66, the three Zhaos couldn’t be more different — each with their own motives — and now they’re all fighting for the same life.

Professor Shen Bu Yan accidentally travels to the ancient era of Acacia, where he becomes obsessed with finding the ancient secret of this era. With the help of the warm girl, Lu Yuan, will he be able to unravel the mystery?