Rule 34 Dev - 1boy abs all_fours armor ass back_muscles biceps boner bracelet bracelets erection grey_background helmet kneeling male male_focus male_only mammal mortal_kombat muscles muscular muscular_legs muscular_male muscular_thighs naked nude nude_male penis penis_peek penis_tip saliva salivating selkiro shao_kahn skull skull_helmet solo solo_focus solo_male spiked_bracelet spiked_bracelets teeth teeth_clenched teeth_showing|8022511768