Start with Demon Slayer and create the strongest demon sword!.

Lin Fan, who was forced to travel through time due to great luck, came to the Demon Slayer World to unlock the strongest magic sword system! Forced to become a magic sword, as long as you gain emotional value, you can become infinitely stronger, and even extract the power of the heavens. At the beginning, you extract the template and become Ajuromaru. Lin Fan: "Tanjiro, go for revenge and release all your desires!" Muzan Kibutsuji: "Don't come over!" There is no sword throughout the whole process, and you can solve the difficulties in your heart. ... Chidori, One Sword Shura, Demon Sword Thousand Blades, Flying Thunder God, Bankai, Domain Expansion, Infinite Sword System... There is nothing I can't draw here, only you can't think of it! Since then, there has been a legend of a magic sword in the heavens and the worlds! (Tentative world...