FURVERT!

4_toes abuse anal anal_training animal_dildo animal_genitalia animal_sex_toy anthro anus arms_tied_behind_back balls basement bdsm belly big_dildo black_body black_fur blue_eyes bondage bound canid canine canine_dildo canis chain chained chained_collar collar collar_only count cracked_wall cuff_(restraint)day_count digitigrade dildo domestic_dog ears_down english_text fangs feet fluffy fluffy_tail forced forced_anal frogtied front_view frown fucking_machine fully_sheathed fur genitals hair hands_behind_back helpless hi_res howlart knot knot_sitting knotted_dildo legs_tied looking_at_viewer machine male mammal markings metal_collar metal_cuffs motion_lines neck_cuff neck_tuft nipples nude orange_belly orange_body orange_fur paws permanent_collar pivoted_ears red_body red_dildo red_fur red_hair restrained_arms restraints rope scared sex_toy sheath sign signature slave slave_training slim_male solo spots spotted_body spotted_fur spread_legs spreading stretched_anus striped_body striped_fur stripes struggling suspension tail teeth text toes tuft uncomfortable