FURVERT!

2007 after_sex anthro balls black_nose blue_background bodily_fluids bottomless brown_body brown_fur canid canine canis circumcised clothed clothing cum cum_on_balls cum_on_leg cum_on_penis digital_media_(artwork) domestic_dog duo eyes_closed face_lick fur genital_fluids genitals half-erect hand_on_belly heart_symbol humanoid_genitalia humanoid_penis inner_ear_fluff licking male male/male mammal marker_(artwork) meesh multicolored_body multicolored_fur one_eye_closed penis procyonid pubes raccoon romantic romantic_couple shirt signature simple_background sitting sweat sweaty_balls sweaty_genitalia tail tank_top tongue tongue_out topwear traditional_media_(artwork) tuft two_tone_body two_tone_fur wet white_background white_body white_clothing white_fur white_topwear yellow_clothing yellow_eyes yellow_topwear

animal_genitalia animal_penis anthro armpit_hair arms_bent auric balls barazoku bent_legs biped black_nose blue_border bodily_fluids body_hair border canid canine canine_genitalia canine_penis canis cum dasaod day erection flower flowing_water front_view fur genital_fluids genitals grass grey_body grey_fur hands_behind_head inner_ear_fluff kneeling kneeling_in_water knot legs_in_water looking_at_viewer male mammal muscular muscular_anthro muscular_male mythological_canine mythological_creature mythology nipples nude open_mouth open_smile outside partially_submerged penis plant pose raised_arms shallow_water shower smile solo splash submerged_legs tail tongue tree tuft water waterfall werecanid werecanine werecreature werewolf wet wet_body wet_fur wolf

anthro balls biped black_and_white butt canid canine claws digitigrade dipstick_tail fluffy fluffy_tail fox full-length_portrait genitals graphite_(artwork) inner_ear_fluff line_art looking_aside looking_at_viewer looking_back looking_back_at_viewer male mammal markings monochrome multicolored_tail nduli nude portrait pose shaded shaded_line_art side_view simple_background smile solo standing tail tail_markings traditional_media_(artwork) tuft whiskers white_background

4_fingers anthro areola biped black_and_white breasts buckteeth curvy_figure dildo dreamer69 english_text erect_nipples eye_through_hair eyewear female fingers front_view genitals glasses graphite_(artwork) hair holding_dildo holding_object holding_sex_toy hourglass_figure lagomorph leporid long_ears looking_at_viewer mammal maxine_blackbunny medium_breasts mixed_media monochrome navel nipples nude nude_female open_mouth pen_(artwork) pince-nez portrait pubes rabbit sex_toy short_hair signature sketch small_waist solo standing teeth text three-quarter_portrait traditional_media_(artwork) translucent translucent_hair unavailable_at_source vulva

anonipony anthro anus backsack balls black_and_white bodily_fluids butt canid canine canis cum ear_piercing erection genital_fluids genitals male mammal monochrome nude penis piercing simple_background solo tail wolf

2005 4_fingers 4_toes anthro areola arm_support ass_up bare_shoulders bent_legs big_breasts big_butt biped black_body black_fur blue_eyes bottomless breasts buckteeth butt clothed clothing detailed_background digital_media_(artwork) feet female fingers fire fireplace fishnet_clothing fishnet_legwear fishnet_topwear full-length_portrait fur glistening glistening_areola glistening_nipples grey_body grey_fur hair headgear headwear lagomorph legwear leporid light lighting looking_at_viewer lying lying_on_ground mammal max_blackrabbit maxine_blackbunny nipples on_front on_ground pink_inner_ear pivoted_ears plantigrade portrait rabbit red_clothing red_headwear scut_tail shaded short_hair short_tail solo stockings tail teeth toes topwear translucent translucent_clothing translucent_legwear translucent_topwear white_clothing white_legwear white_topwear

black_and_white claws dragon erection feet feral forked_tongue genitals hatching_(art) horn kitsubaka line_art long_tail male monochrome mythological_creature mythological_scalie mythology penis quadruped scales scalie shaded sharp_teeth simple_background solo spade_tail standing tail teeth tongue tongue_out white_background

alternative_fashion anthro biped black_clothing black_gloves black_handwear black_nose brown_hair canid canine chemisette classic_lolita clothed clothing dress female fox furseiseki_(character) gloves green_clothing green_dress hair handwear heterochromia j-fashion kemono lolita_(fashion) long_hair looking_around_corner low_res mammal multicolored_body parody red_eyes rozen_maiden solo source_request standing suiseiseki_(rozen_maiden) two_tone_body unavailable_at_source unknown_artist yellow_body

4_fingers 4_toes anthro arcanine arm_markings back_markings biped black_eyebrows black_nose blonde_hair brown_body brown_fur brown_markings brown_pawpads canid canine cheek_tuft chest_tuft chibi collar collar_tag countershading eye_through_hair eyebrows facial_tuft feet fingers fur generation_1_pokemon growlithe hair heart_symbol leg_markings low_res male mammal markings multicolored_body multicolored_fur nintendo orange_body orange_ears orange_fur orange_paws pawpads paws pokemon pokemon_(species) pokemorph red_collar red_eyes samantha_whitten signature simple_background sitting solo spread_legs spreading tail tan_body tan_countershading tan_fur text toes translucent translucent_hair tuft url white_background yellow_tail young young_anthro young_male

2006 4_toes 5_fingers anthro biped black_body black_border black_fur black_hair bloodhound_omega border canid canine canis claws conditional_dnp feet fingers fur green_eyes hair hand_on_leg long_hair looking_aside looking_at_viewer male mammal mythological_canine mythological_creature mythology nikoli_argos nipples nude on_one_leg pink_nose purple_body purple_fur purple_hair side_view simple_background solo standing tail toes werecanid werecanine werecreature werewolf white_background white_body white_fur wolf yajumi

6_arms apode black_hair breasts convenient_censorship detailed_background draconcopode female front_view hair hair_covering_breasts holding_object horn humanoid lamia legless long_hair marilith mask mindsiphon multi_arm multi_limb nude reptile scalie serpentine snake solo split_form spread_arms

abs anathema anthro armor black_body black_fur bovid bovine brown_body brown_fur cattle clothed clothing day detailed detailed_background duo ear_piercing english_text female fist fur holding_object holding_weapon hooves horn jewelry leather leather_armor male mammal muscular muscular_male necklace outside piercing realistic rock shield staff standing tail text topless vambrace weapon wen_yu_li

1:1 abstract_background aliasing ambiguous_gender black_body black_eyes black_text crossover digital_media_(artwork) dot_eyes gastly generation_1_pokemon holding_melee_weapon holding_object holding_sword holding_weapon hovering kirby kirby_(series) looking_at_magazine looking_at_object low_res magazine melee_weapon nintendo not_furry oekaki on_model open_mouth pokemon pokemon_(species) pupils simple_background simple_eyes small_pupils solid_oval_eyes solo species_name sphere_creature sword teeth text waddling_head weapon zaikudo

2006 3_fingers 4:5 amused anthro beach big_eyes biped black_body black_fur blue_body blue_ears blue_eyes blue_fur blush canid canine chest_spike chibi confusion day detailed_background dialogue digital_media_(artwork) duo english_text eyewear eyewear_on_head female feral fingers fur generation_1_pokemon generation_4_pokemon glasses glasses_on_head gloves_(marking) humor legendary_pokemon lidded_eyes lucario mammal markings mew_(pokemon) multicolored_body multicolored_fur nintendo on_towel one_eye_closed open_mouth orange_eyes outside pink_body pink_ears pink_skin pink_tail pink_tongue plant pokemon pokemon_(species) pseudo_clothing purple_text question_mark reclining red_text_border red_towel san_renard sand scratches seaside shadow shrub sky snickering snout speech_bubble spikes spikes_(anatomy) sunbathing sunburn suntan tail tan_line teeth text text_border tongue towel white_spikes white_towel yellow_body yellow_eyewear yellow_fur yellow_glasses

ambiguous_gender black_body black_scales blood blood_from_wound blood_on_ear blood_on_face bodily_fluids coiling crying duo dying eye_contact fangs feral fur generation_3_pokemon gore imminent_death looking_at_another low_res markings multicolored_body multicolored_scales nintendo pokemon pokemon_(species) predator/prey red_ears red_eyes red_fangs red_markings red_sclera red_teeth scales serpentine severe_wound seviper simple_background tail tears teeth two_tone_body two_tone_scales white_background white_body white_ears white_fur wound_on_ear wound_on_face wound_on_torso wounded yellow_body yellow_scales zaikudo zangoose

1:1 1_eye aliasing ambiguous_gender big_eyes black_body black_eyes chair detailed_background digital_media_(artwork) door duo eyes_closed fangs furniture gastly generation_1_pokemon grey_body inside low_res magnemite metallic_body nintendo not_furry oekaki on_model on_sofa pillow pokemon pokemon_(species) shadow sleeping sofa sound_effects sphere_creature table teeth vowelless vowelless_sound_effect zaikudo zzz

2006 3_toes 4_fingers ambiguous_gender anthro biped black_eyebrows blue_body blue_ears blue_fur blue_tail blue_text canid canine cloud daww dialogue english_text exclamation_point eyebrows featureless_chest feet fingers fur generation_4_pokemon grass grey_body grey_fur heart_symbol leaning leaning_forward looking_at_viewer mammal multicolored_body multicolored_fur nintendo nude open_mouth open_smile outside plant pokemon pokemon_(species) red_eyes riolu signature simple_background sky smile solo speech_bubble standing tail talking_to_viewer text toes two_tone_body two_tone_fur vaporotem yellow_sky

2006 abstract_background ac_(aycee) accessory anthro arbok biped black_eyebrows blue_clothing blue_shirt blue_tank_top blue_topwear bottomless breasts brown_hair chimera clothed clothing crossed_arms dipstick_ears duo ear_markings eyebrows featureless_crotch female feral forked_tongue fur generation_1_pokemon green_body green_ears green_eyes green_fur green_nose green_tail grin hair headband heart_symbol heterochromia hybrid looking_at_viewer markings multicolored_body multicolored_clothing multicolored_ears multicolored_fur multicolored_shirt multicolored_tail multicolored_tank_top multicolored_topwear nintendo orange_eyes pattern_background pink_eyes pink_tongue plantigrade pokemon pokemon_(species) purple_body purple_scales reptile scales scalie serpentine shirt signature simple_background smile snake snake_hood tail tank_top tongue tongue_out topwear two_tone_clothing two_tone_ears two_tone_shirt two_tone_tank_top two_tone_topwear vaporotem white_body white_clothing white_fur white_shirt white_tail white_tank_top white_topwear yellow_body yellow_ears yellow_fur yellow_tail

4_fingers anthro black_eyebrows blue_body blue_eyebrows blue_fur blue_hair bottomwear clothed clothing duo english_text eyebrows fingers fur green_body green_fur green_hair hair lagomorph leporid male mammal medical medicine open_mouth pants pink_tongue purple_eyes rabbit shirt tail text tongue topwear trepidation vaporotem

1:1 4_fingers anthro artist_name black_nose blush brown_body brown_fur domestic_cat end_of_world english_text felid feline felis fingers fur gloves_(marking) half-length_portrait handwritten_text looking_at_viewer male male_anthro mammal markings nude nude_anthro nude_male orange_eyes portrait pose solo teeth text white_body white_fur

3_fingers 3_toes ambiguous_gender balancing_on_tail belly black_body bloo claws collar collar_only collar_tag colored-in colored_shading dipstick_ears ear_markings feet fingers green_eyes long_ears looking_at_viewer mammal markings marsupial multicolored_ears nude red_body shaded simple_background smile solo striped_markings striped_tail stripes tail tail_markings teeth thick_tail toes toony unknown_species white_background white_belly white_body white_claws wide_crotch

1:1 animal_genitalia anthro balls bed black_body black_fur blush digital_media_(artwork) domestic_cat erection fangs felid feline felis fur furniture genitals greenmonkey humanoid_genitalia humanoid_penis low_res male mammal nude oekaki penis sheath solo tail teeth

anthro biped black_background clothed clothing demon fangs front_view glamfur greenmonkey horn looking_at_viewer male outline simple_background sitting solo sparklefur teeth

2006 5_fingers anthro badge beard black_body black_eyes black_fur black_nose blonde_hair calvin_(calvin_and_hobbes) calvin_and_hobbes clothed clothing countershading detective duo electronics english_text erikjdurwoodii facial_hair felid fingers fur gun hair handgun hobbes holding_gun holding_object holding_ranged_weapon holding_weapon human looking_aside looking_at_viewer male male_human mammal orange_body orange_fur pantherine parody ranged_weapon revolver shirt short_hair side_view simple_background stripes tan_body tan_skin text tiger topwear walkie-talkie weapon white_background white_body white_fur

2004 anal anal_penetration anvil_position bdsm bestiality black_and_white bodily_fluids bondage bound butt chain collar cuff_(restraint) cum cum_drip cum_inside cum_on_belly cum_on_body cum_on_butt dated dominant dominant_feral dominant_male dragon dripping drooling duo erection eyes_closed feral feral_dominating_human feral_penetrating feral_penetrating_human forced from_front_position genital_fluids genitals human human_on_feral human_penetrated interspecies larger_dom larger_feral leash legs_up male male/male male_human male_penetrated male_penetrating male_penetrating_male mammal membrane_(anatomy) membranous_wings monochrome muscular muscular_feral muscular_male mythological_creature mythological_scalie mythology nude penetration penis rape ratbat restrained restraints saliva scalie sex signature size_difference smaller_human smaller_penetrated smoke smoke_from_nose stake submissive submissive_human submissive_male tail wings wrist_cuffs

2007 abs anthro bdsm bed big_breasts black_border blood blood_in_mouth blood_on_clothing blood_on_face blood_on_ground blood_on_hand blood_splatter bodily_fluids bondage border bound breasts canid canine canis chain cleavage clothed clothing death disembowelment dominant duo ear_piercing falrea_mackenzie female female/female furniture gore gore_focus grotesque_death guts hair human intestines mammal midriff muscular muscular_dom muscular_female mutilation nude organs piercing rope skinsecution tail topless vera_(artist) white_hair wolf

5_fingers 5_toes anthro big_breasts big_hands biped black_and_white breasts claws clothed clothing curvy_figure cute_fangs demon eeveelution eyebrows fan_character fangs feathered_wings feathers feet female ffuffle fingers full-length_portrait generation_1_pokemon graphite_(artwork) has_colored-in_version has_shaded_version huge_hands jolteon jolty line_art line_art_only looking_at_viewer mammal monochrome navel nintendo nipple_outline non-shaded pokemon pokemon_(species) pokemorph portrait scalie simple_background skimpy small_waist snaggle_tooth solo swimwear tail teeth thick_thighs tight_clothing toes traditional_media_(artwork) white_background wide_hipped_female wide_hips wings

2007 accelo anthro balls black_and_white clothed clothing crossdressing ear_piercing felid feline femboy flaccid fluffy fluffy_tail genitals hi_res male mammal monochrome nude penis piercing sketch solo tail traditional_media_(artwork)

5_fingers abs anthro beard belt biceps biped black_body black_fur black_nose bottomwear brown_body brown_fur canid canine cargo_pants clothed clothing collarbone crossed_legs detailed dipstick_tail ear_piercing facial_hair fingers frown fur gloves_(marking) green_body green_fur grey_background grey_bottomwear grey_clothing hair ivybeth jewelry looking_at_viewer male mammal markings multicolored_tail muscular muscular_anthro muscular_male necklace nipples pants pecs piercing red_hair short_hair simple_background solo standing stripes tail tail_markings tattoo topless white_body white_fur yellow_eyes

1:1 2005 5_fingers anthro black_and_white carrot dangling fingers fluffy fluffy_tail food hair inner_ear_fluff jidane lagomorph leporid long_ears low_res male mammal mane monochrome nude plant rabbit short_hair simple_background solo tail tuft vegetable white_background

2006 black_and_white braided_hair demon disembodied_penis duo elf erection fellatio genitals hair humanoid humanoid_genitalia humanoid_penis jidane licking male male/male male_penetrated male_penetrating male_penetrating_male monochrome multi_tongue oral penetration penile penis penis_lick scarface sex signature simple_background solo_focus tongue tongue_out unavailable_at_source white_background

animal_genitalia anthro balls black_spiral_dancer bodily_fluids canid canine canis demon drooling fully_sheathed genitals jidane male mammal mythological_canine mythological_creature mythology nude saliva sheath solo tail tattoo tentacles werecanid werecanine werecreature werewolf wolf

2006 bed_sheet bedding black_nose brown_claws canid canine canis claws detailed_background feral fur inner_ear_fluff jidane male mammal orange_body orange_fur solo tired tuft wolf yellow_eyes

2002 anthro black_hair brown_hair canid canine canis clothing collar domestic_dog duo erection eyewear fangs feet felid genitals glasses greenmonkey hair handjob hindpaw humanoid_genitalia humanoid_penis long_hair male male/male mammal pantherine paws penile penis sex tail teeth tiger underwear

anthro anthrofied areola biped black_body black_fur black_nose black_tail breasts brown_body brown_breasts brown_countershading brown_fur canid canid_demon canine countershading demon female fur generation_2_pokemon grey_hair hair hellhound horn houndoom mammal medium_breasts multicolored_body multicolored_fur mythological_canine mythological_creature mythology nintendo nipple_dip nipples nude pink_areola pink_nipples pokemon pokemon_(species) pokemorph portrait pupils red_eyes simple_background sindoll slit_pupils snout solo tail teeth three-quarter_portrait two_tone_body two_tone_fur white_background white_horn

1:1 anthro balls battle_angel black_nose bottomless brian_griffin canid canine canis clothed clothing collar domestic_dog erection family_guy furniture genitals humanoid_genitalia humanoid_penis lamp male mammal masturbation navel nude open_clothing open_robe open_shirt open_topwear partially_clothed penile penile_masturbation penis robe shirt sofa solo topwear

3:5 anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro battle_angel bdsm bear black_eyes bodily_fluids bondage bottomless bound brown_bear butt canid canine clothed clothing dialogue digital_media_(artwork) disney dominant dominant_male duo english_text erection fox from_behind_position gag gagged genitals grizzly_bear happy happy_sex larger_dom little_john male male/male male_penetrated male_penetrating male_penetrating_male mammal nude oekaki outside penetration penile penile_penetration penis penis_in_ass red_fox robin_hood robin_hood_(disney) roleplay rope sex shirt size_difference slightly_chubby submissive submissive_male sweat text topwear true_fox tunic ursine

2005 3_toes anal anal_masturbation anal_penetration animal_genitalia anthro anus backsack balls bangs bear biped black_nose black_pawpads butt countershade_torso countershading dark_nose dark_pawpads dark_pupils dildo dildo_in_ass dildo_insertion erection feet fur genitals glans glistening glistening_genitalia glistening_glans glistening_penis green_eyes grey_background hair hindpaw iris lidded_eyes light_anus light_balls light_body light_fur light_glans light_penis light_perineum light_sheath long_bangs male mammal masturbation monotone_genitals monotone_hair monotone_penis multicolored_face nude object_in_ass object_penetration open_mouth pawpads paws penetration penis perineum pink_glans pink_penis pink_tongue pupils purple_body purple_ears purple_face purple_fur purple_hair round_ears scar sex_toy sex_toy_in_ass sex_toy_insertion shadow sheath short_hair signature simple_background soles solo surgical_suture tbid text toes tongue tongue_out toony toying_self transparent_dildo transparent_sex_toy two_tone_face unavailable_at_source url white_anus white_balls white_body white_countershading white_face white_fur white_perineum white_sheath yellow_dildo

1:1 4_toes animal_genitalia anthro balls black_glans black_nose black_pawpads black_penis canid canine canis cheek_tuft erection facial_tuft feet fur genitals glans hair hindpaw humanoid_genitalia humanoid_penis hybrid_genitalia hybrid_penis male mammal nude pawpads paws penis red_balls red_body red_fur sheath sheathed_humanoid_penis simple_background soles solo tbid toes tuft white_background wolf yellow_eyes

3_toes 5_fingers anthro balls big_penis biped black_hair blue_penis english_text erection feet felid feline fingers fur genitals hair huge_penis looking_at_viewer male mammal nude penis simple_background solo tail tail_tuft tbid text toes tuft white_background white_body white_fur

anthro black_body black_fur black_hair character_badge_(artwork) classy clothed clothing ear_piercing eyewear front_view fur glasses grandfathered_content hair hat headgear headwear holding_clothing holding_hat holding_headgear holding_headwear holding_object jacent lagomorph leporid long_ears male mammal piercing rabbit short_hair simple_background solo top_hat victoriana white_body white_fur

anthro black_and_white breasts clothed clothing euplerid female fossa fossa_(artist) harem harem_outfit humanoid_face mammal monochrome nipples seductive skimpy solo topless translucent translucent_clothing

5:6 animal_genitalia animal_penis anthro balls black_and_white canid canine canis erection genitals humanoid_genitalia humanoid_penis hybrid_genitalia hybrid_penis knot knotted_humanoid_penis knotted_penis male mammal monochrome nude penis rrowdybeast sketch solo wolf

2007 balls black_and_white blizzard_entertainment bodily_fluids cum digital_media_(artwork) draenei duo erection exclamation_point foreskin genital_fluids genitals hair hi_res humanoid humanoid_genitalia humanoid_penis male male/male male_penetrated male_penetrating male_penetrating_male monochrome not_furry nude oral orc partially_retracted_foreskin penetration penile penis rrowdybeast sex simple_background sketch unavailable_at_source warcraft white_background

2007 anthro biped black_and_white butt butt_grab carrying_another chain chain_leash collar collar_only cunnilingus curling_toes demon digital_drawing_(artwork) digital_media_(artwork) dominant dominant_male dragon duo elf feet female full-length_portrait half-length_portrait hand_on_butt horn horn_grab humanoid humanoid_on_anthro larger_male leash looking_away male male/female monochrome muscular mythological_creature mythological_scalie mythology nude oral portrait rrowdybeast scalie sex side_view simple_background size_difference smaller_female submissive submissive_female vaginal white_background wingless_dragon

2005 3_toes after_masturbation animal_genitalia animal_penis anklet arcanine balls black_balls black_body black_claws black_fur black_markings black_nose black_sheath black_stripes bodily_fluids bracelet canid canine canine_genitalia canine_penis claws collar collar_tag cum cum_on_penis dante_(jax) drooling ear_piercing ear_ring erection feet feral fluffy fluffy_tail fur generation_1_pokemon genital_fluids genitals half-closed_eyes jax_the_bat jewelry knot legband lidded_eyes looking_at_viewer lying male mammal markings multicolored_body multicolored_fur narrowed_eyes neck_tuft nintendo nude one_eye_closed open_mouth orange_body orange_ears orange_fur orange_paws paws penis piercing pink_tongue pokemon pokemon_(species) presenting quadruped red_collar red_eyes red_penis ring_piercing saliva shadow sheath simple_background snout solo spiked_anklet spiked_bracelet spiked_collar spiked_legband spikes striped_body striped_fur striped_markings stripes tail team_rocket teeth text_on_collar_tag toes tongue tongue_out tuft vein veiny_penis wearing_collar white_background wink yellow_body yellow_fur yellow_tail

anthro balls biped black_and_grey canid canine canis demon domestic_dog ear_piercing erection full-length_portrait genitals hooves horn jax_the_bat knot line_art looking_at_viewer male male_anthro mammal monochrome nude nude_anthro nude_male pen_(artwork) penis piercing portrait pose solo three-quarter_view traditional_media_(artwork) unguligrade wide_stance

2006 4_fingers alien antennae_(anatomy) anthro balls biped black_body black_fur blue_body blue_fur blue_hair bodily_fluids bone_pendant bottomwear building canid canine canis claws clothed clothing colored_sketch costume cum day dipstick_ears domestic_cat domestic_dog ear_markings english_text felid feline felis fingers food footwear fruit fur genital_fluids genitals grass greenmonkey hair half-erect halloween holidays house humanoid_genitalia humanoid_penis husky jack-o'-lantern jacket jewelry looking_aside looking_at_viewer male mammal markings multicolored_ears necklace nordic_sled_dog open_bottomwear open_clothing open_jacket open_pants open_topwear orange_eyes outside pants partially_clothed penis pimp plant pumpkin shoes short_hair sketch smile solo spitz stripes tail text topwear utility_pole white_body white_fur

all_fours bestiality black_body black_fur blizzard_entertainment blush braided_hair breasts canid canine canis doggystyle duo ear_piercing english_text female female_on_feral feral from_behind_position fur gui hair humanoid humanoid_on_feral interspecies male male/female male_on_humanoid mammal mmorpg nipples nsq piercing profanity quadruped sex single_braid tail text troll_(mythology) warcraft wolf

animal_genitalia anthro balls bdsm black_and_white bondage bound domestic_cat felid feline felis fully_sheathed genitals kwik_(artist) male mammal monochrome nude sheath simple_background solo tail white_background