Ben's Alien Transformation: Cosmic Masturbation

Ben, bored and horny, decides to experiment with his Omnitrix, transforming into an alien with a massive, veiny cock. He tentatively explores his new form, running his hands over the alien flesh, marveling at the size and sensitivity. He begins to stroke himself, his grip tight around the throbbing shaft. His alien cock leaks pre-cum, and he rubs it into his skin, the scent intoxicating. He pumps his hips, fucking his fist, his breath coming in ragged gasps. His balls tighten, and he's on the verge of cumming when he hears his mom's voice calling him for dinner, forcing him to quickly deactivate the Omnitrix and hide his unsatisfied erection.

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