I just want to be a human, is that so difficult?

Aoki traveled to the Demon Slayer world, obtained the system, and honestly worked hard to improve his "professional" level. Suddenly, Muzan came to him and forced him to become a demon.

After that, he had two more goals.

First, eat the scum boss, and second, find a way to turn back into a human while retaining the power of a demon.

No heroine, no CP, not dark, not saintly

Traveling back in time to become Muzan five hundred years before the story began?

There is a lot of room for operation!

Blue spider lily! Overcome the sun!

Become the ultimate creature!

Living with the Twelve Ghost Moons (bushi)

Scare the Demon Slayers from time to time, and also play undercover (ಡωಡ)

Live until cell phones appear!

Games! Novels! Anime!

even……

Met the original scumbag boss, standing in the sun and shaking his head to mock him~

Let me know who the next victim will be (ಡωಡ)