Should I:

Make an
Underswap Sans X Reader
Ink Sans X Reader
Napstablook (Sequel) x Reader

Honestly im leaning towards US!Sans x reader...

Also, please check out my Two Sides One Shots!
Two sides is explained in the desc/first chapter.
(Its a custom project)
(An RPG/Comic dub series and possibly future cartoon that ive been working on)