Chapter 1: Mt. Kagenobu

It was late at night,
Yuichiro was left all alone in the house.. laying dead.
He was not buried but left there to rot.
And then suddenly, a very strong prescence approached him, pitying him. Offering him a second chance.

Kimetsu no Yaiba / Demon Slayer by Koyoharu Gotoge.
This art was made by ￦ANKE! (I can't stop looking at this master piece and the light effect O_o)
The Fog Breathing was from a wiki. (Fanmade)