[Demon Slayer] What Did the Pillars Ever Do to You?!

This is bad! Nanika ran away from home with Alluka! And they ran off to another world!!! Demon Slayer World: Hunter x Hunter World! Keep an eye on your wish-granting machine! The plot is already a complete mess!!! Demon Slayer World: I've given up trying to fix things. If I quit and retire now, can I at least scrape by? :) Hunter x Hunter World: Wish-granting machine! Come back! If you don't, the protagonist is going to die!!! Alluka: Everyone here is so nice. I don't have my brother, but I'm having so much fun. I don't want to go back and see big brother's poker face, and I don't want Mom to dress me up. Nanika: Why should we go back? We can't see Killua, and every day we're subjected to the foul stench of nonhumans, but... there are lots of people who care about Nanika! The wish-granting machine bobbed its head, pleased with itself. What could Alluka do? She could only spoil her little sister! - “Ne, Alluka wants your spine.” The black-haired child made this “request,” a smile on their face like an angel without wings. That was a child with no empathy. And a monster with no body. - ○ No romance ○ Personal headcanons are listed in the author's note for Chapter 1 ○ The demons who are supposed to die will still die. But humans? I'm saving every last one of them! Even the dead are coming back to life! ○ OOC warning Theme: He is a mirror.