Change The Storylines [KnY x Reader]

Fight

Suddenly some kind of crawl demon crawl out of the roar(?)
The kid expression turn into fear as zenitsu slowly look back

"Its a child..bring down on it might feel really good on my tongue" the demon start to speak

"YOU SEE?! A DEMON APPEARED! A DEMON REALLY APPEARED!!! Zenitsu yell and start dragging the kid to run

"AAAHHHH!!! DONT COME OVER HERE— DONT COME OVER HERE !! DONT—" zenitsu yell while running

"IM NOT DELICIOUS!! IM DEFINITELY NOT DELICIOUS! IM SERIOUS, THIS CHILD IS ALL SKIN AND BONES AND DRY AS HELL, HES ALSO NOT GOOD TO EAT TOO!!" Zenitsu continue

" how would i know if i don't have a taste?" The demon said and then  stretched out its tongue like a weapon and aimed at the zenitsu and the child, zenitsu immediately push the child away making the demon missed the target and hit the water jar Instead

"WHAT SORT OF TOUGUE IS THAT?! WHY IS IT SO FAST! THE WATER JAR CRACKED AND BROKE JUST LIKE THAT..THAT IMPOSSIBLE"

zenitsu yell while protecting the kid, they end up laying down in another room
"zenitsu-san, get up!" The kid said trying to drag zenitsu

"AHHHH! IT'S GATHERING ALL OVER MY KNEES! 80% OF MY FEAR HAS GATHERED ON MY KNEES!!" zenitsu yell

"JUST LEAVE ME HERE,RUN AWAY AS FAST AS YOU CAN!" zenitsu continue
"I can't do that!!" The kid reply

'!! This child is too kind-hearted, his heart is already making frightened "sound" and yet..i must do something, if I don't protect him the it's just too sad for him!! The number of years he has lived is only in the single digits!' zenitsu thought while tearing up

' i must protect him..but I'm too weak, I don't even have the strength to protect him' zenitsu the hear some noise,he turn back and see the demon is already here

"I'm going to suck out your brain matter from your ears" the demon said in a threading way, slowly crawl to their direction

After hearing those word zenitsu immediately pass out, the fear and sense of responsibility within zenitsu mind has exploded

"Zenitsu-san?! zenitsu—" the kid said and shaking him..he..fell asleep.. the kid then trying to drag zenitsu away from the demon but it didn't work out so well

"What is that guy doing, die!!" The demon reaching out it tongue again, targeting the kid

But suddenly the demon tongue got cut off , it fell on the floor. Zenitsu then stand up and get in his fighting stance making the demon confused

'W-what is this sound..this guy..even his appearance has changed..' the demon thought widened in shock

"Breath of Thunder first form.. thunder-clap flash" zenitsu said and then dash to the demon with an high speed, cutting it head off