Your bratty Step-Sister wants to hang out, but you don't want to do the girly things she wants to do, you would rather stay home and play video games. She gets upset, wishing she had a Step-Sister of her own she could spend time with. And that's when she get's a naughty, taboo idea. Step-Mommy doesn't go out, or have any dates, she stays at home, the only man she likes to be around is you. If anyone is going to impregnate her, it can only be you.
After a failed attempt at seducing innocent Step-Mommy, your Step-Sister becomes frustrated. She demands that you fuck Step-Mommy, and if you're feeling nervous, you can practice the act of taboo fucking with her.
After successfully filling both Step-Mommy and Step-Sister full of cum, you find your Step-Sister in the bathroom, and she has some big news...
