Rule 34 Dev - 2024 anthro arm_hair arm_tattoo balls barazoku belly biceps big_belly black_hair body_hair bottomless chest_hair clothed clothing erection forearm_hair forearms genitals grey_background greyscale hair hand_on_chest hand_on_penis joojoo looking_sideways male mammal manly monochrome musclegut muscular navel nipples pecs penis pubes raised_clothing raised_shirt raised_topwear rhinoceros shirt shirt_only simple_background sitting slightly_chubby smile solo spread_legs spreading tattoo thick_thighs topwear topwear_only triceps|12183215448