Brick Danger isn't used to living with a stepsister, so when Sweet Sophia moves in he has some manners to learn. When he opens the door to Sophia's room without knocking, he finds her wearing a thong and nothing else. Sophia yells at Brick, then shuts him out. He thinks about it for a bit and then returns, remembering to knock this time. The stepsiblings have a heart to heart, and Brick finishes by saying that if there's anything he can do to help, all Sophia has to do is ask.

Sophia does have one thing she wants. She has heard rumors at school that Brick has a really big dick. She wants to see it. Brick tries to tell Sophia no, but she insists. Popping her titties out, she sweetens the pot by saying that Brick can play with her tits if she can see his cock. When Brick gives in, Sophia instantly drops to her knees to begin stroking it while telling Brick that she's not done with him yet. Soon she's bobbing her head in a blowjob between giggles.

Climbing into her bed, Sophia peels off her clothes to seduce Brick into giving her the D right where she wants him. She gets him on his back so she can feel his big cock inside her while riding, first in cowgirl and then in reverse cowgirl. On her hands and knees, Sophia watches over her shoulder as Brick slides back home. She rolls onto her back and draws her knees up to her boobs, which leaves her wide open for Brick to give it to her. Squealing and squirming, Sophia makes it clear she loves her stepbrother's big dick! He gives her one last treat as he gets Sophia on her knees to blow his load in her mouth, the perfect finale to their brand new stepsibling relationship.