(Comprehensive Manga) Touhou Tanjiro's Friends Book

The world of Demon Slayer was infected with a virus. In order to repair the world, Tanjiro Kamado had to go to the new world to find new energy to replace the origin of the world. In the new world, he also suffered various hardships. The boss of the clam fishery company sends you an application to save the world. A mackerel sends you a request to save Yokohama. The Son of God issues an application to you to dominate the country... Tanjiro: I've become stronger and bald The number of characters continues to increase Host and receiver, 1v1, cp undecided. Concept: How can a person upgrade and become stronger little by little?