Frisk and Sans have a daughter what happens when a glitch becomes intrested in her? Please read and reveiw

After getting back to the surface, Sans decides it's time he kept that promise about protecting the human. And when Frisk tells Toriel they must return to their mom. Sans wants to make sure said mom is taking good care of their little Frisk. When he finds out said mom is not a good parental figure at all. He decides Frisk can't go back their, no matter what they say.