I stumble upon my stepbrother pleasuring himself and choose to soothe him by straddling his shaft

In a moment of innocent exploration, I stumbled upon my stepbrother indulging in self-pleasure. Unable to resist the allure of his tanned, toned physique, I decided to lend a helping hand, guiding his throbbing member into my eager embrace. Our bodies intertwined, creating a symphony of pleasure as I rode him with wild abandon, culminating in a climactic release on my round, inviting derriere.