Comprehensive Manga: the Reverse Izayoi Starting from Demon Slayer

When the big demon king of problem children, who is both good and evil, returns to Izayoi and is bound to a system one day, what will happen when he goes to other worlds? Demon Slayer: Kimetsu no Yaiba is in progress... It's not a soul travel, the original version is a journey back to the Izayoi dimension. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.