Rebirth of the Demon Path Three Lives

"... Do not follow the rite of apprenticeship, and do not treat each other as master and disciple." He is an immortal, and she is a demon when she is reborn. Their identities are very different. But he still took her with him to teach her practice, but he left her without saying goodbye and disappeared without a trace... In the world of mortals, Zhuo Ran saved her from danger twice in her first two lives. Since they are destined to meet again, they should be repaid for their kindness. But... Why does this man who met him twice look like him in this life?