Let's go through some basic knowledge before I talk about it further...

Characters: Ash Ketchum & Jessie
Canonical?: Fanon
Relationship status: Enemies
Also known as: SatoMusa, MusaSato

What do I think?:
No, just no
Why people actually ship this I don't know but like, Ash is infinitely 10 and Jessie 26, gross!!!

I shall rate this ship:
-1000/10

Thanks for reading, see you in the next chapter!!!