In Order to Resurrect My Grandma, I Was Entangled by Emperor Xuanzong of the Ming Dynasty.

[Traveling through ten systems of the Ming and Qing dynasties, nine lives and tasks, ten male protagonists are wise and brave, and ten female protagonists are strong and brave] A time travel to resurrect grandma leads to an infatuated love that spans reincarnation. Gu Xuanyin only did a mission to save her grandma, but it engraved an obsession in Xuanzong of the Ming Dynasty that would never go away. The emperor's obsession persisted, and his soul traveled between two dynasties, chasing her across a hundred years. All kinds of royal power are like floating clouds. Life after life, all they want is to be together in the human world.