In the moment he regained his memories of the previous life Natsume was killed, he performed the Taizan Fukun Ritual and revived her but then he leaves Natsume.
In the moment he regained his memories of the previous life Natsume was killed, he performed the Taizan Fukun Ritual. In the moment he regained his memories of the previous life Natsume was killed, he revived her. In the moment he regained his memories of the previous life Natsume was killed, he leaves Natsume.