FURVERT!

2007 anal anal_knotting anal_penetration anthro anthro_on_anthro balls black_and_white canid canine duo erection eyes_closed faceless_character faceless_male fur genitals knotting leg_wrap line_art long_tail male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome nipples nude penetration penis romantic romantic_couple sex simple_background speed_(artist)tail white_background