Demon Slayer: You can become stronger by swinging your sword

Embark on a thrilling journey in the world of Demon Slayer with our protagonist who accidentally gets bound to a system that demands swinging the sword a million times to achieve strength. Witness the intense battles and passionate encounters as the protagonist strives to become stronger with each swing. Years later, a pivotal moment arrives with a blood-red Nichirin sword poised at Muzan's neck, leading to a gripping confrontation under the sun. Join this tale of courage, determination, and unexpected twists.