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3_fingers abs anal anal_masturbation anal_penetration blue_body blue_penis blush bodily_fluids butt dirtygum erection fingers genitals glans hair hi_res human humanoid internal male mammal marvel masturbation muscular muscular_male mutant_(x-men)nightcrawler nude penetration penis prostate_orgasm saliva smile solo superhero tail tail_fetish tail_in_ass tail_insertion tail_play tailed_humanoid tongue tongue_out vein veiny_penis x-men x-ray_view yellow_eyes