Traveling to the world of Demon Slayer: Kimetsu no Yaiba and activating the conceptual space training system.
The Breath of Thunder at the beginning, the exclusive shop Nichirin Knife, the upgraded version of hearing...
Concentrate on breathing? I can keep it on from the beginning.
A member of the Demon Slayer Corps? Sorry, I am the protagonist and Zhu will only be my little brother.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
