[Single female protagonist Kanae Kocho + standing with the Demon Slayer Corps + semi-invincible] The boy who just won the lottery hits the jackpot when he goes out, his body shrinks and he comes to the world of Demon Slayer.

With the blessing of the sun, he came to this world full of evil spirits, was picked up by the Demon Slayer Corps, and became the strongest pillar. Watch him solve the chaos of evil spirits that has lasted for thousands of years.