Scarlet Skies, the redhead, has an idea while fondling a banana. Alex Mack, her stepbrother, stops by to inquire about the situation. She informs him that she was thinking about where males' dicks go while they're wearing pants as she continues to stare at his crotch. Scarlet tries out different dick postures with the banana until Alex tells her to stop. Subsequently, Scarlet informs Alex that they should be a stepfamily and that he owes her an apology for his past rudeness. He can accomplish so by informing her the location of the D while boys are dressed in pants. Scarlet gets more finicky as Alex grudgingly explains the subtleties of placement. Scarlet has discovered his cock, and she is not going to let it go so simply, despite Alex's best efforts to tell her to stop. In order to pop his boner out and rip off his jeans, she shoves him onto his back and crawls on top of him. Scarlet fists it, stroking it till it gets nice and hard, then opens her mouth wide to accept Alex's cock in her mouth. Any reservations Alex may have had are dispelled by watching his adorable redhead stepsister suckling him, especially as it becomes apparent that Scarlet wants to go all the way. Scarlet, still on her knees over Alex, reveals her hot bubble butt by removing her tight shorts. beating. Alex pulls out in time to give Scarlet a buttful of his blown nut. Scarlet starts thinking aloud about Alex's dad's dick even while she's tasting Alex's come.