Chi Ji from the Lingmei Series

He was once a deity respected by everyone, but he was willing to become a mortal just because of the person he loved, wishing to stay with him for the rest of his life; He was once the most talented person in the immortal world, but he was willing to become a devil that everyone could capture and kill for the sake of his beloved. He only wanted to fulfill his beloved's lifelong wish; She was once the most carefree fairy, but she was willing to practice immortal magic for the one she loved. She did not change it for thousands of years. She just wanted to turn into a god as soon as possible and be with him. They are all loving people, but at the same time, they are also pitiful people. They pursue them all their lives, but in the end they only get a sigh.