FURVERT!

anthro areola ball_gag bdsm blue_eyes bondage bound breasts butt canid canine canis crouching female frogtied fur gag gagged grey_body grey_fur hair hands_behind_back hi_res legs_tied mammal nipple_chain nipple_piercing nipples nude omega_wolfblood piercing red_hair rope simple_background solo submissive submissive_female tsukinori wolf