Rule 34 Dev - 2020 5:6 absurd_res anthro balls barazoku biceps big_muscles bottomless clothed clothing erection flexing genitals grey_background greyscale hair hi_res horn huge_muscles humanoid_genitalia humanoid_penis kajy male mammal monochrome muscular muscular_anthro muscular_male penis shirt simple_background solo tank_top topwear vein|5161052208