The protagonist Yongan was originally a modern young man who accidentally traveled to the prehistoric era. He had already cultivated to the top of the great road, but for some reason he came to Demon Slayer: Kimetsu no Yaiba and his cultivation level dropped to the Golden Immortal level. Let's see how Yongan bravely breaks through Demon Slayer: Kimetsu no Yaiba.
Don't comment if you don't like it, a new writer
The plot is very likely to be different from the original work, but it still revolves around the original work!
Many heroines! ! !
