Guys can you explain to me the story behind this creepypasta in the comment, pls?

I have all of the chapter of poppy playtime

Remembrance but mario.KMO

HELLº!!!!

Do yOU WANT tO PLªY WiTH the ALLFATHER?!????

Mario.KMO

Bros getting freaky

Devasted mario and mr L

Mario.KMO and luigi

WIP lol

XD