>>74448647I have just the scenario.
>one of callie's magical friends>in the middle of a desperate battle, needs (you) to give her mana (through semen, of course)>hot, rough sex with a bruised and in pain callie>cum and supercharge her>she beats the big bad, but overloaded her mana circuits>needs increasing amounts of mana to survive>she's attuned (and addicted) to your magical ponos>move in to her disgusting trailer to make it easier (you have no choice, you have to help save the world after all)>eventually gets to the point where your balls, dick and hips are sore 24/7 after getting reverse mating pressed 10+ times day in and day out by uberhorny Callie>if you refuse she goes full yandere femdom and takes your semen anyway>immediately switches back to nice self afterward 