A/N :Hello!

Sans was quite happy with his life : he was living on the surface, he didn't go through genocide routes, had a caring brother, good friends, no resets. Yes, he would have never changed his life for anything in the world. Then how did this happen?
Kustard in the flowerfell universe!

Warning : contains violence, violent deaths, violent languages, violent gestures, swearing and some smutty elements !