I am a human being who traveled through time and was reborn in the Demon Slayer World. I have five swordsmanship styles in my mind, the last of which is stealing.
Seeing that others' skills could be stolen and used for one's own use, Demon Slayer became the only swordsman with full breathing, and was later called the strongest pillar.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.