The siblings' religious upbringing crumbles as they find solace in each other's arms. The brother's massive cock tents his pants, drawing his sister's innocent gaze. She tentatively strokes it, her inexperience evident. He guides her, teaching her to pleasure him, his moans egging her on. Soon, she's riding him, their bodies slick with sweat, their cries muffled in the closet. Their first time is raw, intense, and forever etched in their memories.