This will include sans or papyrus x reader none of the other characters.
Can you do:
Error!Sans X Child!Reader X Ink!Sans?
If you want, I can give you a plot of something!!
Uf papyrus x shy sweet reader
Sans x hurt reader
Swapfell sans x sensitive reader: the reader being bullyed by other monster and hurting them for they knew that the reader is sensitive to call them names till sans come.... you can think the rest