Memory Tracing

Zhang Ziyi suddenly lost contact with her brother, but the matter was far from that simple. To be precise, her brother Zhang Ziheng disappeared from the world. Suddenly one day, Zhang Ziyi received a mysterious express delivery in his university laboratory. The sender turned out to be his brother, but this was far from simple as imagined, and even more incredible things were yet to come. What is all this mystery about? Is my brother alive or dead? What secrets are hidden in the Mengtapir Instrument? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.