Rule 34 Dev - 2022 anthro artist_name balls belly black_body black_fur black_sclera bovid bovine circumcised erection fur genitals glans godafterdark grey_balls grey_belly grey_glans grey_penis greyscale hi_res male mammal manga_style monochrome penis question_mark solo standing vein veiny_penis white_body white_fur white_nose|11710181768