FURVERT!

4_fingers 4_toes against_surface against_wall anthro arms_above_head balls belly black_arms black_ears black_feet black_nose blue_hair blue_markings bound canid canine captured chastity_cage chastity_cage_only chastity_device chastity_device_only collar concrete_floor concrete_wall cracked_wall cuff_(restraint)dim_lighting dipstick_tail dungeon ear_piercing feet fingers fluffy fluffy_tail forced forced_chastity fox front_view fur genitals green_eyes grey_body grey_fur hair hands_tied hay hi_res howlart inside kneeling label looking_aside male mammal markings metal_collar metal_cuffs neutral_expression nipples nude number over_sheath_chastity_cage pawpads piercing prisoner questionable_consent red_pawpads restraints shackles sheath_chastity_cage signature slave solo spread_legs spreading story story_at_source story_in_description tail tail_markings takum tan_belly toes wall_(structure)wearing_chastity_cage wearing_chastity_device white_tail_tip