This is a AU where Frisk freed the underground and Sans and Toriel got married and had a daughter named Nova and now live on the surface beside Papyrus and the whole gang... Papyrus is part of the royal gaurd and undyne is still the captain of the gaurd but doesn't hunt humans anymore... Sans usually spars with Nova to help her train with her fire, bones, blasters, and teleporting... At the house Toriel hear the door open and close, she looks up slightly but doesn't turn around

Toriel: Nova! I have the butterscotch and cinnamon pies backing! Sans teleports in holding a bottle of ketchup sipping it Sans: Heya Tori... He looks around