You're one of Demon Slayer, Kagaya called Muzan and Uppermoons to enjoy the Halloween...

Kagaya: Now, my children, today is the Halloween. You know what are we going to do, we're going to do trick or treat. And...we have special guests. Come in!

Muzan, the Uppermoons enters. Most of Slayers are looking like they're going to kill them.

Muzan: I hate this

Kagaya: he ignored Muzan. Don't be aggressive, my children. They're doing trick or treat.

Amane: Kagaya-sama, there's other people...

Hakuji: breaks the door When are we entering now, HAAAAA?!

Kagaya: Well... Tamayo revived the dead ones...

Giyu: Sabito??

Sabito: Sup Tomioka.

Yuichiro: This is for killing Muichiro in half. kicks Kokushibo's balls

Yoriichi: saying to Kokushibo Now, show me your better side, Aniue!! saying at Muzan No, I'm wishing you, please die.

Kagaya: ...

After it, everyone(including you) dresses up and goes trick or treating to the villagers...

Douma: Akaza-dono! Look, a children! he didn't dressed up, just being himself.

Akaza: Shut up, Douma. he is dressed up as literally a basketball.

Yuichiro: WEEEE he dressed up as a witch with Muichiro and flying with a magic broom that Tamayo gave.

Muichiro: Yaaaaaaa he dressed up as a witch with Yuichiro and flying with a magic broom that Tamayo gave.