In order to demonstrate her ability to care for a genuine infant, Katie Kush has a school project. When her stepbrother David Lee enters the room and sees her attempting to breastfeed the doll, she's not doing a very good job of it. Taking it from her, he shows her how to stop the doll from crying. Katie gets quite hot and bothered as he demonstrates how to care for the dummy. It dawns on her that she wants a child with David. He isn't going to get his stepsis knocked up, even though that's what she tells him. That only makes Katie's want to receive her stepbrother's sperm more than before. The following morning, Katie waits until David is asleep before slinking into his bed. She places his hand on her tits and rubs her thong-clad ass against his morning wood. David wakes up to Katie talking dirty and writhing against him. She guides his hand down to see how wet her pussy is. David may be weirded out, but once his fingers are slipping up and down Katie's slit, he's sold. He agrees to slip it in so they can spoon together while he fucks her. David is committed now, and Katie is ready to take full advantage. The following morning, Katie waits until David is asleep before slinking into his bed. She places his hand on her tits and rubs her thong-clad ass against his morning wood. When David awakens, Katie is writhing against him and talking foul. She slides her hand down to check the wetness of her pussy. Although he's a little uncomfortable, David is sold as soon as his fingers start running up and down Katie's slit. In order to spoon with her as he fucks her, he consents to sneak it in. Katie is prepared to take full advantage of David's current commitment.