'Promise' Shinobu x reader

Wisteria

Uh this is a gender nutreal story!

Note: English isn't my first language [scream]

This story does have manga spoilers so don't read if you haven't read the manga or you can you'll just be spoiled though...

I will be explaining your breath's here and a bit.

You work with wisteria poison, the reasoning is because slaying is something that seems too nice. You want demons to feel the torture and pain that they make every human feel.
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Wisteria breath:

First form: Midnight skies

Like Shinobu's butterfly dance though instead of butterflies it's a lilac purple ombré affect and when injected has the same effect since you both use the same poison to make this.

Second form: manipulating trees:

String of poison will will manipulate arms and legs to do twist and turn. This will be answered later in the story ;)

Third form: Bursting whistles

Poison will go to demons heart making it burst into pieces which is very effective on demons.