Demon Slayer: Forged by Sun

Transmigrated to the world of Demon Slayer, only to become a swordsmith? “Then I'll forge the strongest Nichirin Blade!” With each hammer strike against the iron ingot, a notification appeared... [Impurities -1] After a hundred refinements, another notification... [Constitution +1] Upon completing the weapon, a final notification... [Current Weapon Sharpness Level: 1] [Forgemaster: Strength +10, Constitution +10, Agility +10, Speed +10] [Reward: Sun Breathing Technique!] “Maybe... I should become the strongest swordsman after all?”