Skinny teen with small titties is grateful to naked stepbrother fucking her

They'd always been there for each other through family troubles, but this was different. After he helped her through a particularly rough time, she felt the need to thank him properly. Finding him naked after his shower created an opportunity she hadn't planned but couldn't resist. What started as a simple expression of gratitude evolved into something more meaningful as their naked bodies connected in a way that felt both taboo and somehow right.