Sans: I'll grow up taller than you!
Gaster: *chuckles* of course you will, my son
Papyrus: *plays with a Rubix Cube*
This is part of some sketches for my AU (that doesn't have a name yet)
The Skelefamily before the accident (no details yet regarding that
Sans is a happy little child that loves his family, Papy is just a curious little baby and Gaster is a loving single parent.