How can I make this look like those humen anime fan arts?

Its somewhat ready but im getting this message right now....

The brothers

Frisk

I may retire soon + anime version of me

Muffet - Day 2 #Joltober25 #Spider

Changing core sans...completly...with some help

First house completed + 1 build

#Undertale10 I never played Undertale besides the Demo of it (and only played a little bit of chapter I of Deltarune).

But it was so everywhere online that I ended up learning about most of it from gameplay videos and even ended up watching fan-animations

Do i hear 500 followers and 30k likes pog???????!!??!!