Rule 34 Dev - 3d abs animated biceps big_muscles bondage bulge clothed clothing detailed_background digital_media_(artwork) flexing flexing_bicep flexing_both_biceps flight_suit genitals groaning growing growth headgear headgear_only heat_(temperature) helmet helmet_only hi_res humanoid hyper laboratory legwear looking_at_viewer looking_pleasured male moan mocap_suit motion_capture mp4 muscular muscular_male musk_clouds nighdruth nighdruthanimations pecs penis presenting sound sound_effects straps straps_across_chest throbbing throbbing_bulge throbbing_penis tight_clothing video voice_acted|10723672080