Rule 34 Dev - aaron_(artist) anal anal_sex animal_genitalia animal_penis anthro anthro_penetrated anus ass back_muscles balls big_balls big_butt border brown_body brown_fur canid canine canine_penis disembodied_penis fur genitals glowing glowing_eyes hi_res knot male male_penetrated mammal moon muscular muscular_anthro muscular_male nude outside penetration penis showing_teeth vein veiny_penis were werecanid werecanine werewolf white_border|6839767440