FURVERT!

anal anal_penetration anthro bacon_sama balls bedroom_eyes big_balls big_penis blush bodily_fluids clenched_teeth dominant dominant_male drooling duo echidna english_text eulipotyphlan facial_hair fangs foreskin genitals goatee hand_behind_back hedgehog hi_res huge_penis knuckles_the_echidna larger_male larger_sub looking_pleasured male male/male mammal moan monochrome monotreme motion_lines muscular muscular_male musk mustache narrowed_eyes one_eye_closed pencil_mustache penetration penis pinned pinned_to_ground pubes rough_sex saliva seductive sega sex shadow_the_hedgehog size_difference smaller_male smug_grin sonic_the_hedgehog_(series)speech_bubble stubble submissive submissive_male sweat sweatdrop teeth text unretracted_foreskin x-ray_view