FURVERT!

12beat13 2013 american_black_bear anthro asian_clothing assisted_exposure bear biceps black_bear bottomwear bottomwear_down bulge clothed clothing crossed_arms duo east_asian_clothing exclamation_point eyebrows felid fundoshi fur japanese_clothing japanese_text juuichi_mikazuki kemono male male/male mammal morenatsu muscular pantherine pants pants_down pantsing partially_clothed pecs shirt simple_background standing surprised tail tank_top text thick_eyebrows tiger topwear torahiko_ooshima underwear ursine white_background

16:9 american_black_bear anthro banga_bear bangabear_(character) bear belly biped black_bear blue_eyes bottomless christmas clothed clothing colored duo female female_anthro giant_panda gillpanda gillpanda_(character) hi_res holidays male male/female mammal morbidly_obese obese obese_anthro overweight overweight_anthro red_clothing red_topwear sex tail topwear ursine widescreen

2013 3:4 american_black_bear anal anal_penetration anthro asian_clothing balls bear biceps big_penis black_bear black_nose butt canid canine canis clothing duo east_asian_clothing erection fundoshi fur genitals genyokuenbou_(pixiv) grey_body grey_fur hair humanoid_genitalia humanoid_penis japanese_clothing juuichi_mikazuki male male/male male_penetrated male_penetrating male_penetrating_male mammal morenatsu muscular nipples nude penetration penis reverse_stand_and_carry_position scar sex standing standing_sex tail ten_kodori underwear ursine vein wolf

2013 3:4 american_black_bear anal anal_penetration anthro asian_clothing balls bear biceps big_penis black_bear black_nose butt canid canine canis clothing duo east_asian_clothing erection fundoshi fur genitals genyokuenbou_(pixiv) grey_body grey_fur humanoid_genitalia humanoid_penis japanese_clothing juuichi_mikazuki male male/male male_penetrated male_penetrating male_penetrating_male mammal morenatsu muscular nipples nude penetration penis reverse_stand_and_carry_position scar sex standing standing_sex tail ten_kodori underwear ursine vein wolf

2013 4:3 american_black_bear anal anal_penetration anthro balls bear biceps big_muscles big_penis black_bear black_nose brown_body brown_fur butt canid canine canis duo erection fur genitals genyokuenbou_(pixiv) grey_body grey_fur humanoid_genitalia humanoid_penis juuichi_mikazuki male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal morenatsu muscular muscular_male nipples nude on_bottom on_top penetration penis reverse_cowgirl_position scar sex ten_kodori ursine vein wolf

2013 4:3 american_black_bear anal anal_penetration anthro balls bear biceps big_muscles big_penis black_bear black_nose bodily_fluids brown_body brown_fur butt canid canine canis cum cum_everywhere cum_on_face cum_on_own_face cum_on_own_tongue cum_on_self cum_on_tongue cum_while_penetrated duo ejaculation erection fur genital_fluids genitals genyokuenbou_(pixiv) grey_body grey_fur hands-free humanoid_genitalia humanoid_penis internal juuichi_mikazuki male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal messy morenatsu muscular muscular_male nipples nude on_bottom on_top penetration penis reverse_cowgirl_position scar sex slightly_chubby ten_kodori tongue ursine vein wolf

2013 3:4 5_toes american_black_bear anthro balls bear biceps big_muscles big_penis black_bear black_nose brown_body brown_fur butt canid canine canis duo erection feet fur genitals genyokuenbou_(pixiv) grey_body grey_fur humanoid_genitalia humanoid_penis juuichi_mikazuki lying male male/male mammal morenatsu muscular muscular_male nude on_back penis scar tail ten_kodori toes ursine vein wolf

2013 3:4 5_toes american_black_bear anal anal_penetration anthro balls bear biceps big_muscles big_penis black_bear black_nose brown_body brown_fur butt canid canine canis duo erection feet fur genitals genyokuenbou_(pixiv) grey_body grey_fur juuichi_mikazuki male male/male male_penetrated male_penetrating male_penetrating_male mammal morenatsu muscular muscular_male nude penetration penis scar sex tail ten_kodori toes ursine vein wolf

2013 4:3 american_black_bear anal anal_penetration anthro balls bear biceps big_muscles big_penis black_bear brown_body brown_fur butt canid canine canis duo erection fur genitals genyokuenbou_(pixiv) grey_body grey_fur humanoid_genitalia humanoid_penis juuichi_mikazuki male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal morenatsu muscular muscular_male nipples nude on_bottom on_top penetration penis reverse_cowgirl_position scar sex ten_kodori ursine vein wolf

2013 4:3 american_black_bear anal anal_penetration anthro balls bear biceps big_muscles big_penis black_bear black_nose bodily_fluids brown_body brown_fur butt canid canine canis cum cum_everywhere cum_in_mouth cum_in_own_mouth cum_in_self cum_inside cum_on_face cum_on_own_face cum_on_own_tongue cum_on_self cum_on_tongue cum_while_penetrated duo ejaculation erection eyes_closed fur genital_fluids genitals genyokuenbou_(pixiv) grey_body grey_fur hands-free humanoid_genitalia humanoid_penis juuichi_mikazuki male male/male male_penetrated male_penetrating male_penetrating_male mammal messy morenatsu muscular muscular_male nipples nude penetration penis scar sex ten_kodori tongue ursine vein wolf

american_black_bear anthro baloo bear black_bear butt clothing disney english_text hat headgear headwear hi_res humor male mammal sloth_bear solo talespin talisment text the_jungle_book ursine

2013 4:3 after_sex american_black_bear anthro balls barazoku bear biceps big_muscles black_bear black_nose blush bodily_fluids bottomless butt clothed clothing cum cum_in_ass cum_inside cum_on_butt cum_on_penis english_text erection fur genital_fluids genitals humanoid_genitalia humanoid_penis juuichi_mikazuki klaskk male mammal messy morenatsu muscular muscular_anthro muscular_male penis solo text ursine

american_black_bear anthro baloo bear black_bear bottomless clothed clothing disney male mammal mezasalvador overweight overweight_anthro overweight_male sloth_bear solo talespin the_jungle_book ursine

1:1 2012 american_black_bear anthro baloo bear black_bear body_size_growth bottomless bottomless_anthro bottomless_male clothed clothed_anthro clothed_male clothing digital_drawing_(artwork) digital_media_(artwork) disney fur macro macro_anthro macro_male male male_anthro mammal overweight overweight_anthro overweight_male signature size_transformation sloth_bear solo talespin teaselbone the_jungle_book transformation ursine

2013 american_black_bear anthro baloo bear belly better_version_at_source big_belly black_bear bottomless bottomless_anthro bottomless_male clothed clothed_anthro clothed_male clothing digital_drawing_(artwork) digital_media_(artwork) disney door fur grey_body grey_fur hi_res jacket male male_anthro mammal overweight overweight_anthro overweight_male signature sloth_bear solo stuck stuck_in_door talespin teaselbone the_jungle_book topwear ursine weight_gain

2013 american_black_bear anthro baloo bear black_bear bottomless bottomless_anthro bottomless_male clothed clothed_anthro clothed_male clothing digital_drawing_(artwork) digital_media_(artwork) disney hi_res low-angle_view macro macro_anthro macro_male male male_anthro mammal overweight overweight_anthro overweight_male signature sloth_bear solo talespin teaselbone the_jungle_book ursine

1:1 2011 american_black_bear anthro baloo bear black_bear de2w disney male mammal nude overweight overweight_anthro overweight_male signature sloth_bear solo talespin the_jungle_book ursine

american_black_bear anthro baloo bear black_bear clothed clothing crossgender disney duo female mammal op80918 overweight rebecca_cunningham sloth_bear talespin the_jungle_book ursine

2013 abs alcohol american_black_bear anthro athletic backsack balls bear bed beverage biceps big_muscles big_penis black_bear black_body black_fur black_hair boondox bottle brown_body brown_fur brown_hair bulge butt clothed clothing container dracorin drunk duo erection eyes_closed felid flexing fur furniture genitals hair hands_behind_head hi_res holding_bottle holding_container holding_object interspecies jockstrap lying male male/male mammal markings morning_wood muscular muscular_male on_back on_front orange_body orange_fur pantherine pecs penis piercing pillow pose sleeping stripes substance_intoxication tail tan_body tan_fur tattoo tiger topless underwear ursine vein white_body white_fur zeeka

2013 abs american_black_bear anal anal_masturbation anal_penetration anthro anus athletic balls bear biceps big_muscles big_penis biped black_bear black_body black_fur black_hair black_nipples black_nose bodily_fluids boondox border brown_eyes butt cum cumshot dildo dildo_sitting ejaculation erection eye_markings facial_piercing fangs fur genital_fluids genital_piercing genitals glans grin hair hi_res holding_penis humanoid_genitalia humanoid_penis inside lip_piercing lube male mammal markings masturbation muscular muscular_anthro muscular_male nipple_fetish nipple_piercing nipple_pinch nipple_play nipples nude orgasm pecs penetration penis penis_piercing piercing pinch pose prince_albert_piercing sex_toy sitting smile solo spread_legs spreading tattoo teeth toy toying_self ursine vein vibrator white_body white_fur zeeka

2013 against_surface against_wall american_black_bear anthro balls bear biceps black_bear black_eyes black_nose blue_eyes blush bottomless brown_body brown_fur clothed clothing duo erection eyebrows felid fur genitals hi_res humanoid_genitalia humanoid_penis interspecies juuichi_mikazuki male male/male mammal markings morenatsu muscular muscular_male nipples nude overweight pantherine pecs penis pinned shirt shun1124 slightly_chubby small_penis stripes tail thick_eyebrows tiger topwear torahiko_ooshima ursine yellow_body yellow_fur

american_black_bear anthro balls bear belly biceps big_balls big_penis black_bear breasts canid canine canis clothing duo erection fellatio female genitals hat headgear headwear interspecies male male/female mammal mostly_nude musclegut muscular nude oral pecs penile penis sex shaffer slightly_chubby smokey_bear text text_on_clothing text_on_hat text_on_headgear text_on_headwear united_states_forest_service ursine wolf wolfwood1

american_black_bear anthro anthro_penetrating anthro_penetrating_human backsack balls bear biceps biped black_bear blonde_hair breasts clothed clothing dominant duo english_text erection eyes_closed fellatio female female_human female_on_anthro female_penetrated from_front_position genitals grass hair hand_on_head happy happy_sex hat hat_only headgear headgear_only headwear headwear_only hi_res human human_on_anthro human_penetrated interspecies larger_anthro larger_dom larger_male looking_pleasured lying male male/female male_anthro male_on_human male_penetrating male_penetrating_female male_penetrating_human mammal missionary_position moan mostly_nude mostly_nude_anthro mostly_nude_male musclegut muscular nipples nude nude_female nude_human on_back open_mouth open_smile oral oral_penetration outside outside_sex pecs penetration penile penile_penetration penis penis_in_mouth penis_in_vagina perineum plant sex shaffer size_difference sky slightly_chubby smaller_female smaller_human smaller_penetrated smile smokey_bear tail text united_states_forest_service ursine vaginal vaginal_penetration vulva wolfwood1

american_black_bear anthro anthro_penetrating anthro_penetrating_human balls bear biceps biped black_bear blonde_hair breasts clothed clothing dialogue duo english_text erection fellatio female female_human female_on_anthro female_penetrated genitals hair hat hat_only headgear headgear_only headwear headwear_only human human_on_anthro human_penetrated interspecies larger_anthro larger_male male male/female male_anthro male_on_human male_penetrating male_penetrating_female male_penetrating_human mammal mostly_nude mostly_nude_anthro mostly_nude_male musclegut muscular nipples nude nude_female nude_human oral oral_penetration pecs penetration penile penile_penetration penis penis_in_mouth sex shaffer size_difference slightly_chubby smaller_female smaller_human smaller_penetrated smokey_bear text united_states_forest_service ursine wolfwood1

2013 abs abstract_background american_black_bear anthro athletic bear biceps big_muscles biped black_bear black_body black_fur black_hair black_nose boondox brown_body brown_eyes brown_fur bulge butt clothed clothing digital_media_(artwork) ear_piercing facial_hair facial_piercing fist flexing fur goatee grin hair hi_res jockstrap lip_piercing looking_at_viewer looking_back male mammal muscular muscular_anthro muscular_male naughty_face panties pecs piercing portrait pose presenting presenting_hindquarters raised_arm raised_fist raised_hand rear_view simple_background small_tail smile solo standing tail tan_body tan_fur three-quarter_portrait topless underwear ursine vallhound

2013 abs abstract_background american_black_bear anthro athletic backsack balls bear biceps big_muscles big_penis biped black_bear black_body black_fur black_hair black_nose boondox brown_body brown_eyes brown_fur butt digital_media_(artwork) ear_piercing erection facial_hair facial_piercing fist flexing fur genitals goatee grin hair hi_res humanoid_genitalia humanoid_penis lip_piercing looking_at_viewer looking_back male mammal muscular muscular_anthro muscular_male naughty_face nude pecs penis piercing portrait pose presenting presenting_hindquarters raised_arm raised_fist raised_hand rear_view simple_background small_tail smile solo standing tail tan_body tan_fur three-quarter_portrait ursine vallhound

american_black_bear anthro barazoku bear biceps big_muscles biped black_bear brown_body brown_fur butt clothed clothing fur grin jockstrap juuichi_mikazuki looking_away male mammal morenatsu muscular muscular_anthro muscular_male rear_view shun1124 smile solo standing topless underwear ursine

2013 after_sex ambiguous_gender american_black_bear anthro barazoku bear belly biceps big_muscles black_bear black_nose blush blush_lines bodily_fluids breath brown_body brown_fur cum cum_on_belly cum_on_body cum_on_cheek cum_on_chest cum_on_chin cum_on_face disembodied_hand drooling duo erection fur genital_fluids genitals green_background half-closed_eyes hand_on_leg hand_on_partner hand_on_partner's_knee hand_on_partner's_thigh hand_on_thigh hiroyuki_nishimura human interspecies juuichi_mikazuki larger_male lying male mammal mennsuke morenatsu muscular muscular_anthro muscular_male narrowed_eyes nipples on_back open_mouth orgasm pecs penis reclining saliva sex simple_background size_difference slightly_chubby slightly_chubby_anthro slightly_chubby_male smaller_ambiguous teeth ursine

american_black_bear anthro aquatic bear black_bear black_nose blush brown_body brown_fur cephalopod clothed clothing coleoid dialogue duo feeding food food_fetish fur half-closed_eyes human japanese_text juuichi_mikazuki male mammal mollusk morenatsu muscular muscular_male narrowed_eyes octopodiform open_mouth simple_background suggestive suggestive_food teeth tetsuo_oshiba text tongue tongue_out translated unavailable_at_source ursine vein white_background yellow_eyes

absurd_res american_black_bear anthro avian bear bird black_bear camelid canid canine canis clothing domestic_pig giraffe giraffid group hat headgear headwear hi_res horn lemur llama long_image looking_at_viewer male mammal ossicone ostrich photorealism pilosan primate procyonid raccoon ratite realistic scarf sloth spanish_text strepsirrhine suid suine sus_(pig) tall_image text three-toed_sloth translated unknown_artist ursine wolf xenarthran

3:4 american_black_bear anthro barefoot bear big_butt biped black_bear butt feet female floebean hair hi_res mammal purple_hair slightly_chubby solo ursine

2013 american_black_bear anthro asian_clothing bear black_bear blue_clothing blue_hoodie blue_topwear brown_body brown_fur brown_hair canid canine canis clothing colored duo east_asian_clothing fundoshi fur hair hoodie japanese_clothing juuichi_mikazuki kemono male mammal morenatsu overweight overweight_anthro overweight_male pinned shun_kodori topwear underwear ursine wolf young zangusuu

2013 abs american_black_bear anal anal_penetration anthro balls bear bed bedroom biceps big_muscles black_bear black_body black_fur bodily_fluids boondox chair_position cum detailed_background dracorin duo erection felid foreskin from_behind_position fur furniture genital_fluids genital_piercing genitals hi_res humanoid_genitalia humanoid_penis inside interspecies lying male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_male navel nipple_piercing nipples on_back one_eye_closed pantherine penetration penis penis_piercing piercing prince_albert_piercing retracted_foreskin sex spread_legs spreading tail text tiger url ursine zeeka

american_black_bear anthro bear belt biped black_bear black_nose brown_body brown_eyes brown_fur clothing fur hodori male mammal pipe plantigrade simple_background smoking smoking_pipe solo standing ursine white_background

2013 abs all_fours alligator alligatorid american_black_bear anal anal_penetration anthro balls basket bear biceps big_muscles big_penis black_bear black_body black_fur black_hair bodily_fluids boondox canid canine canis container countershading crocodilian cum cum_in_ass cum_inside cum_while_penetrated cumshot detailed_background domestic_dog dracorin ejaculation erection eyes_closed felid fisting forest foursome fur gaslight gaslightdog genital_fluids genitals grin group group_sex hair hands-free interspecies lotusgarden lying male male/male male_penetrated male_penetrating male_penetrating_male mammal masturbation messy muscular muscular_male nature nipples nude on_back oral orgasm outside pantherine pecs penetration penile penile_masturbation penis picnic picnic_basket plant reptile rimming scales scalie sex smile tea_bagging tiger tree ursine

2013 american_black_bear amwulf anal anal_penetration anthro bear biceps black_bear black_body black_fur black_hair bodily_fluids boondox chair_position cum cum_in_ass cum_inside dracorin duo erection eyes_closed facial_hair felid from_behind_position fur furniture genital_fluids genitals goatee hair hi_res leaking male male/male male_penetrated male_penetrating male_penetrating_male mammal markings muscular on_lap pantherine penetration penis red_hair sex sitting sofa stripes tiger ursine

5:6 absurd_res american_black_bear anthro baloo bear black_bear cuddling detailed_background disney duo e-122-psi female floating hi_res male male/female mammal nature nude outside overweight rebecca_cunningham river skinny_dipping sloth_bear talespin the_jungle_book ursine water

2013 abs american_black_bear anal anal_penetration animal_genitalia anthro balls bear biceps big_muscles big_penis black_bear black_body black_fur blue_eyes bodily_fluids boondox brown_nose claws clenched_teeth countershading cum cum_while_penetrated cumshot dracorin duo ear_piercing ejaculation erection eyes_closed fangs felid fur genital_fluids genitals hair hands-free interspecies lotusgarden lying male male/male male_penetrated male_penetrating male_penetrating_male mammal markings muscular muscular_male nipple_piercing nipples nude on_back on_bottom on_top orange_body orange_fur orgasm pantherine pecs penetration penis piercing pink_nose reverse_cowgirl_position sex sheath straddling stripes tail tail_around_penis tail_fetish tail_play tail_sex tailjob tattoo teeth tiger torso_grab ursine vein white_body white_fur

amber_eyes american_black_bear anthro asian_mythology bear black_bear black_eyes blue_eyes blush brown_body brown_fur canid canine canis clothing domestic_cat domestic_dog dragon east_asian_mythology eastern_dragon eyebrows felid feline felis fur green_body green_skin group hair happy hi_res husky juuichi_mikazuki kemono kounosuke_kuri kouya_aotsuki kyouji_takahara lion male mammal morenatsu muscular mythological_creature mythological_scalie mythology namiki_te nordic_sled_dog pantherine raccoon_dog scalie shin_kuroi shun_kodori soutarou_touno spitz tanuki tatsuki_midoriya thick_eyebrows tiger torahiko_ooshima unavailable_at_source ursine winter wolf

american_black_bear anthro bear belly biceps black_bear blue_clothing blue_topwear blush brown_body brown_fur brown_hair bust_portrait clothing digital_media_(artwork) duo eyes_closed fur grin hair half-length_portrait happy hi_res hiroyuki_nishimura hug hugging_another hugging_from_behind human human_on_anthro interspecies jacket juuichi_mikazuki larger_male male male/male male_on_anthro male_on_human mammal mennsuke morenatsu muscular portrait purple_outerwear romantic romantic_couple shirt side_view size_difference slightly_chubby smaller_male smile tan_body tan_fur topwear ursine white_clothing white_topwear

1:1 2013 4_fingers american_black_bear anthro bear black_bear clothed clothing colored_sketch english_text facial_markings fingers front_view fully_clothed gift half-length_portrait hand_in_pocket head_markings heart_box heart_symbol holding_gift holding_object jacket juuichi_mikazuki looking_at_viewer male mammal markings morenatsu muzzle_(marking) offering_gift offering_to_viewer pockets portrait rolled_up_sleeves shirt simple_background sketch slightly_chubby snout snout_markings solo text topwear uchider ursine white_background

2012 accessory american_black_bear anthro bear black_bear bus clothing coat comic commercial_vehicle dialogue dressing english_text fur hiroyuki_nishimura human japanese_text juuichi_mikazuki male mammal morenatsu necktie outside public_transportation ratenu slightly_chubby text topwear uchider ursine vehicle vehicle_for_hire

2012 accessory american_black_bear angry anthro bear black_bear clothing coat comic dialogue duo english_text fur hiroyuki_nishimura human japanese_text juuichi_mikazuki male mammal morenatsu musclegut muscular muscular_male necktie outside pecs punch ratenu slightly_chubby text topwear uchider ursine

2012 accessory american_black_bear anthro bear black_bear clothing coat comic dialogue dressing english_text fur hiroyuki_nishimura hug human japanese_text juuichi_mikazuki male mammal morenatsu musclegut muscular muscular_male necktie outside patting pecs ratenu size_difference slightly_chubby text topwear translation_request uchider ursine

2012 american_black_bear angry anthro asian_mythology bear black_bear canid canine canis caught_in_the_act clothing coat comic dialogue domestic_dog dragon east_asian_mythology eastern_dragon english_text eyebrows felid fur green_body green_skin hiroyuki_nishimura hug human husky japanese_text juuichi_mikazuki kounosuke_kuri kouya_aotsuki kyouji_takahara lion male mammal morenatsu muscular muscular_male mythological_creature mythological_scalie mythology nordic_sled_dog outside pantherine pecs raccoon_dog ratenu scalie shin_kuroi shun_kodori size_difference slightly_chubby soutarou_touno spitz tail tanuki tatsuki_midoriya text thick_eyebrows tiger topwear torahiko_ooshima translation_request uchider ursine

2012 american_black_bear anthro asian_mythology bear black_bear canid canine canis clothing coat comic dialogue domestic_dog dragon east_asian_mythology eastern_dragon english_text eyebrows felid fur green_body green_skin hiroyuki_nishimura hug human husky japanese_text juuichi_mikazuki kounosuke_kuri kouya_aotsuki kyouji_takahara lion male mammal morenatsu mythological_creature mythological_scalie mythology nordic_sled_dog outside pantherine pecs raccoon_dog ratenu scalie shin_kuroi shun_kodori slightly_chubby soutarou_touno spitz tail tanuki tatsuki_midoriya text thick_eyebrows tiger topwear torahiko_ooshima uchider ursine

2013 3:4 american_black_bear anthro bear black_bear black_nose brown_body brown_fur cel_shading clothed clothing comic end_page frown fully_clothed fur hand_in_pocket hi_res juuichi_mikazuki male mammal manya morenatsu overweight overweight_anthro overweight_male pockets shaded shirt side_view solo tan_body tan_fur text topwear ursine

2013 3:5 abs american_black_bear animal_genitalia anthro athletic balls bear beard biceps big_muscles big_penis biped black_bear black_body black_fur black_hair black_nipples black_nose boondox bottomwear bulge camera circumcised claws clothed clothing ear_piercing electronics erection facial_hair facial_piercing fangs fur genital_piercing genitals grey_body grey_fur grin hair hi_res humanoid_genitalia humanoid_penis lip_piercing looking_at_viewer male mammal muscular muscular_anthro muscular_male nipple_piercing nipples nude open_mouth orange_eyes pants pecs penis penis_piercing piercing pose prince_albert_piercing reclamon smile solo speedo standing swimwear tattoo teeth television text thick_penis toe_claws tongue topless ursine vein

american_black_bear anthro bear biceps big_muscles black_bear black_nose blush bottomless brown_body brown_fur caught_in_the_act clothed clothing covering covering_crotch covering_self crossdressing embarrassed fur juuichi_mikazuki knock-kneed looking_at_viewer male mammal morenatsu muscular muscular_anthro muscular_male shy solo tetsuo_oshiba uniform ursine

american_black_bear anthro balls bear biceps big_muscles biped black_bear black_nose blush bottomless brown_body brown_fur clothed clothing crossdressing fur genitals half-erect humanoid_genitalia humanoid_penis juuichi_mikazuki male mammal morenatsu muscular muscular_anthro muscular_male penis solo standing tetsuo_oshiba uniform ursine