Murderous lovers dust sans x reader

You are a cold killer. Being childhood friends with ink cause you b8th were failed experiments and left with no souls. You killed your parents cause they hated you and you killed everyone in your au and did mutliple genocide routes just stop the human from killing you and your papyrus. But your papyrus stayed in the broken au cause he hated the new you. Then you joined the bad sanses and your work partner is dust sans. At first you didnt like the looks of him but then you reliase that he is the same as you. Did multiple genocide routes just to stop his frisk and now you guys keep on getting closer to the point you guys fell in love with each other and nightmare didnt approve of it at all.