Comprehensive Manga: Seiichi Yukimura's Diary of Parallel Time and Space

After experiencing all kinds of things in the past, Yukimura Seiichi was reborn when he had not officially come into contact with tennis. He made up his mind to change everything in the past, but before he had time to change, he found that the world seemed different, but where should he go? The government of the time? Spiritual power? Fusangshen? This pill? Monster? Onmyoji? Exorcist? …