petrock, experiment (species), ovni, alien, ankle cuffs, arm up, bondage, bound, bound ankles, bound tail, bound wrists, breast milking, closed eyes, cum, duo, erection, experiment, eyewear, fan character, fully bound, glasses, hand on chin, lab coat, laboratory, lactation, male, male only, penis, penis milking, rubber, science, standing, stormdragonblue (character), tail bondage, tapering penis, tongue, tongue out, wrist cuff,

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