It wasn't as if he didn't care for them.
He did.
That's why he did it, after all.
He couldn't watch them suffer, so he did something about it.
Dust Sans story with Nightmare's gang.
Sans Aus in a school what could go wrong? Lots of things, do people die? I don't know, but ships are included. You could say it is a slow burn kinda thing or it went pretty quick, but chaos ensues and it isn't my fault. (FandomError)