This novel was called " Time Travel and Anti-Time Travel " by Zi Chuan. Yin Zichuan, the female protagonist of the novel, was a modern girl who accidentally transmigrated to an unfamiliar ancient world and became the young lady of the Gong family, Gong Ruxin. Gong Ruxin wasn't a stranger. She was Yin Zichuan's best friend. The two of them had transmigrated to this world together. In the novel, Yin Zichuan and Gong Ruxin experienced many adventures together and met many different characters and stories. They also met another female lead, Liu Mengli, who had transmigrated. The three of them explored and adventured in a world that was intertwined with ancient and modern times. In the novel, the male lead, Gong Moran, was the Valley Master. He had some kind of relationship with Yin Zichuan and Gong Ruxin, but it was not clearly stated what their relationship was. " Time Travel and Anti-Time Travel " was one of the classic time travel novels.