Welp, this is my take on the “good ending” for Underfell. You fix the corrupt save file and everyone reverts to their friendly, lovable selves.
this is kinda self indulgent though, since im sure that in reality none of them would remember underfell taking place except sans (similar to when their souls got sucked up by asriel)
so here’s a bonus alternate ending with that idea in mind:
So one of my friends thought of a fusion of the three of us…and here’s the result. I didn’t even color it properly anymore orz (srsly the sketch looks better)