Reverse Journey of Heaven and Earth

A modern network security expert traveled through time and became the core think tank of an ancient organization, only to discover that all 'allies' were experimental subjects, and that his own time-traveling was a key link in a millennium conspiracy. Lin Che, a modern network security engineer, traveled to an fictional dynasty due to an accidental car accident and was regarded as a world-saving genius by the mysterious organization "Tianji Pavilion". He relied on modern knowledge to help the cabinet master crack the enemy's secret message system and design a firewall-style intelligence network, and gradually became the core of power. But as the restored ancient books gradually revealed strange prophecies, Lin Che discovered that all the nobles she had cooperated with had the same genetic marker - cinnabar freckles on the left eyelid. While assisting the pavilion master to assassinate the enemy's prime minister, Lin Che accidentally activated the holographic projection in the secret room and witnessed the scene in a modern laboratory: she and other 'travelers' were injected with nano-level pheromones and became living samples to test the vulnerabilities of ancient society. What's even more cruel is that he was actually the 'Experimental Subject 001' who planned this time travel a hundred years ago - when his company went bankrupt due to a system vulnerability, it was this AI-generated revenge program that started the time travel. In the final battle, Lin Che must choose: use modern knowledge to completely destroy the ancient system (but the identities of all travelers will be exposed), or use herself as the medium to complete the closed loop of time and space (but she will be trapped in the crack of time forever). When he injected the encrypted virus program into the enemy's dragon vein, the screen...