Buried Beneath Fate (transmigration)

you are now currently buried underground. Yue Ran (YOU) is a modern person who transmigrates into the body of a woman in an ancient fantasy world. There, he takes in and raises an abandoned demon child who grows up to become Mo Xuan, the feared and unstable Demon King shaped by cruelty and power. After his death, Yue Ran is reborn as himself still carrying an unexplained emotional connection to that past life. In the same world, Mo Xuan is eventually buried deep underground in a coffin after a devastating conflict. A thousand years later, both he and Yue Ran awaken in a changed era, pulled back into a world that believes their stories ended long ago. As buried memories and fractured emotions resurface, their past bond begins to collide with their present identities once again.