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1:1 anthro anthrofied barefoot blue_briefs blue_clothing blue_underwear bowser briefs butt canid canine clothed clothing duo erection feet fellatio first_person_view fox fox_mccloud furgonomics fuze genitals hand_in_briefs hand_in_underwear hi_res humanoid_genitalia humanoid_penis kneeling koopa male male/male male_pov mammal mario_bros masturbating_while_penetrated masturbation multiple_scenes navel nintendo nude oral pantsless pantsless_anthro pantsless_male penetration penile penis pubes scalie sex shirt sitting star_fox tank_top tongue tongue_out topwear underwear white_clothing white_shirt white_tank_top white_topwear white_waistband