>>94100819Mercy drinks one of Immy's potions to grow a futa dick.
At first she's nervous and slow.
Eventually she picks up the pace and get's more into it.
You ask her to slow down, but she can't. It feels too good.
She apologises in between each thrust. Begs you to stay quiet and it will be over soon.
She goes even harder and faster. Her begging, turns into commands.
She tells you to shut up. You asked for this.
Then she fills you with cum or something.