Kazuya was a swordsman in the Demon Slayer Corps during the Taisho period in his previous life when he was reincarnated as a member of the flower gardening family. He died of illness two years after he worked with everyone to defeat the Ghost King. That life. His name is Kamado Tanjiro.
In this life, Kazuya is very happy to see a beautiful future era without ghosts, even though he has been forced to go to school. It wasn't until I saw the anime Demon Slayer: Kimetsu no Yaiba after entering college that I realized that my previous life was just a manga. After thinking about it, he calmly accepted this identity, but before he could continue to enjoy the university's rich community activities and extracurricular life, he time-traveled again.
This time, he traveled directly to the Heian era thousands of years ago. As soon as he woke up, he was fed blood by the ghost king Wu Mei and turned into a ghost. Afraid of being read by Muzan, he lost his memory due to psychological effects. When he was confused, he was picked up by the Great Onmyoji Abe Seimei. But it didn't take long before he crossed time and space and came to other worlds.
By the time he traveled back again and saw Muzan, it was already the Edo period...
This article is the only version of the Demon Slayer part of another article by the author [Comprehensive] I Don't Want to Work Under Muzan. It is suitable for readers who only want to read the Demon Slayer part and are not interested in the development of other worlds. I will skip the development of other worlds. If you are curious about the stories of other worlds, you can find this article in the author's column to read.
Concept: human emotions
Ah, big, please update, I like it very much