FURVERT!

anal anal_penetration anthro ballbusting balls bdsm belly big_belly bodily_fluids bondage bound bowser brobot chain clothing cock_and_ball_torture cuff_(restraint)cum cum_while_penetrated cumshot duo ejaculation engine erection eyes_closed forced forced_anal forced_gag forced_orgasm forced_spreading fucking_machine genital_fluids genital_torture genitals horn human humanoid_genitalia humanoid_penis koopa luigi machine male male/male male_penetrated mammal mario_bros monochrome mr._l musclegut muscular nintendo nude open_mouth orgasm orgasm_face pain paper_mario penetration penis piston restraints robot scalie shackles sound_effects tail torture unwanted_ejaculation unwanted_erection unwanted_exposure unwanted_penetration wolfblade