r34 popular

ai_generated big_ass big_breasts breasts_bigger_than_head canine cum cum_inside cum_on_breasts curvy doggy_style fat fat_ass feral from_behind gigantic_breasts huge_ass huge_breasts huge_cock hyper hyper_breasts inverted_nipples large_ass large_breasts mature_female milf on_side plump rape recording red_eyes sex thick_thighs zoophilia
ai_generated big_ass big_breasts breasts_bigger_than_head canine cum cum_inside cum_on_breasts curvy doggy_style fat fat_ass feral from_behind gigantic_breasts huge_ass huge_breasts huge_cock hyper hyper_breasts inverted_nipples large_ass large_breasts mature_female milf on_side plump rape recording red_eyes sex thick_thighs zoophilia
ai_generated bestiality bestiality_impregnation cum cum_in_pussy cum_inside doki_doki_literature_club forest horse lolicon_hunter on_stomach sex tagme_(artist) vaginal_sex yuri_(doki_doki_literature_club) zoophilia
ai_generated bestiality bestiality_impregnation cum cum_in_pussy cum_inside doki_doki_literature_club forest horse lolicon_hunter on_stomach sex tagme_(artist) vaginal_sex yuri_(doki_doki_literature_club) zoophilia
1girls ai_assisted ai_generated ass astroodragon_(ai_generated) awata_kaoruko big_breasts bikini bubble_girl civitai huge_ass kalagod kaoruko_awata my_hero_academia swimsuit
1girls ai_assisted ai_generated ass astroodragon_(ai_generated) awata_kaoruko big_breasts bikini bubble_girl civitai huge_ass kalagod kaoruko_awata my_hero_academia swimsuit
1futa ai_generated big_breasts black_hair boku_no_hero_academia breasts city colored_nails fit_futanari futa_only futanari gigantic_penis hands_on_hips huge_balls huge_cock hyper_balls hyper_penis hyper_testicles justraven light-skinned_futanari momo_yaoyorozu my_hero_academia penis red_clothing smile swimsuit thick_thighs thighs tight_clothing trusting yaoyorozu_momo
1futa ai_generated big_breasts black_hair boku_no_hero_academia breasts city colored_nails fit_futanari futa_only futanari gigantic_penis hands_on_hips huge_balls huge_cock hyper_balls hyper_penis hyper_testicles justraven light-skinned_futanari momo_yaoyorozu my_hero_academia penis red_clothing smile swimsuit thick_thighs thighs tight_clothing trusting yaoyorozu_momo
2025 ahe_gao ai_generated anime bath bathroom bathtub bathtub_sex bent bent_over big_ass big_breasts big_butt bigger_male black_hair bubble_butt closed_eyes cum cum_drip cum_dripping cum_dripping_from_ass cum_dripping_from_penis cum_dripping_from_pussy cum_dripping_out_of_pussy cum_explosion cum_in_ass cum_in_pussy cum_inside cum_on_ass cum_on_thighs curved_back curvy curvy_female curvy_figure dark-skinned_male dark_skin doggy_style edit enjoying excessive_cum fit_male fully_nude happy happy_new_year happy_new_year_2025 hentai hi_res hidden_male highres kotone_shirakawa lotion male_out_of_frame manga manga_page manga_style massive_ass massive_balls massive_breasts massive_butt massive_cock massive_dick massive_penis massive_testicles motion_blur motionlines nude overflow_(series) pale_skin shiny_body shiny_skin shirakawa_kotone short_hair shower smile smooth_skin soap speech_bubble strong_male thick_thighs towel veiny_cock veiny_dick veiny_penis voluptuous voluptuous_female water water_drip water_drip_from_breasts water_dripping water_drop water_droplets water_on_ass water_on_body water_on_breasts water_on_thighs
2025 ahe_gao ai_generated anime bath bathroom bathtub bathtub_sex bent bent_over big_ass big_breasts big_butt bigger_male black_hair bubble_butt closed_eyes cum cum_drip cum_dripping cum_dripping_from_ass cum_dripping_from_penis cum_dripping_from_pussy cum_dripping_out_of_pussy cum_explosion cum_in_ass cum_in_pussy cum_inside cum_on_ass cum_on_thighs curved_back curvy curvy_female curvy_figure dark-skinned_male dark_skin doggy_style edit enjoying excessive_cum fit_male fully_nude happy happy_new_year happy_new_year_2025 hentai hi_res hidden_male highres kotone_shirakawa lotion male_out_of_frame manga manga_page manga_style massive_ass massive_balls massive_breasts massive_butt massive_cock massive_dick massive_penis massive_testicles motion_blur motionlines nude overflow_(series) pale_skin shiny_body shiny_skin shirakawa_kotone short_hair shower smile smooth_skin soap speech_bubble strong_male thick_thighs towel veiny_cock veiny_dick veiny_penis voluptuous voluptuous_female water water_drip water_drip_from_breasts water_dripping water_drop water_droplets water_on_ass water_on_body water_on_breasts water_on_thighs
ai_generated artist_request ass bed big_ass big_butt breasts female female_only hooters on_bed one_piece round_ass round_butt solo solo_female tagme yamato_(one_piece)
ai_generated artist_request ass bed big_ass big_butt breasts female female_only hooters on_bed one_piece round_ass round_butt solo solo_female tagme yamato_(one_piece)
2024 9:16 against_surface against_wall anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro arm_pull ass balls big_butt biped blush bodily_fluids bovid breasts caprine clothed clothing delivery_(commerce) delivery_employee dialogue dragon duo_focus english_text eyewear female female_penetrated from_behind_position fur genitals glasses goat group hair hat headgear headwear hi_res horn kinktober kinktober_2024 male male/female male_penetrating male_penetrating_female mammal mima_(sincrescent) monochrome mythological_creature mythological_scalie mythology open_mouth panties partially_clothed penetration prison_guard_position scalie sex short_tail sincrescent sweat tail text thick_thighs underwear underwear_down walk-in
2024 9:16 against_surface against_wall anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro arm_pull ass balls big_butt biped blush bodily_fluids bovid breasts caprine clothed clothing delivery_(commerce) delivery_employee dialogue dragon duo_focus english_text eyewear female female_penetrated from_behind_position fur genitals glasses goat group hair hat headgear headwear hi_res horn kinktober kinktober_2024 male male/female male_penetrating male_penetrating_female mammal mima_(sincrescent) monochrome mythological_creature mythological_scalie mythology open_mouth panties partially_clothed penetration prison_guard_position scalie sex short_tail sincrescent sweat tail text thick_thighs underwear underwear_down walk-in
1girls ai_generated anus artist_name ass backpack bag bed bedroom bent_over breasts brown_hair closed_eyes clothes_pull curtains denim ellie_(the_last_of_us) ellie_williams from_behind full_body hi_res indoors jeans looking_back naughty_dog no_panties nose open_mouth panties pants pants_pull panty_pull patreon_username petite pillow plant progenarts pussy shoes short_hair skinny sneakers solo the_last_of_us the_last_of_us_2 uncensored underwear web_address window
1girls ai_generated anus artist_name ass backpack bag bed bedroom bent_over breasts brown_hair closed_eyes clothes_pull curtains denim ellie_(the_last_of_us) ellie_williams from_behind full_body hi_res indoors jeans looking_back naughty_dog no_panties nose open_mouth panties pants pants_pull panty_pull patreon_username petite pillow plant progenarts pussy shoes short_hair skinny sneakers solo the_last_of_us the_last_of_us_2 uncensored underwear web_address window
1girls blush breasts female female_only fluffy fluffy_hair furry furry_only heart oc original_character panties takkunaki thighs
1girls blush breasts female female_only fluffy fluffy_hair furry furry_only heart oc original_character panties takkunaki thighs
big_breasts bigger_female breasts christmas christmas_outfit cleavage holidays huge_breasts light-skinned_female may_(moonlightdrawinguwu) milf moonlightdrawinguwu nude nude_female panties pussy star underwear
big_breasts bigger_female breasts christmas christmas_outfit cleavage holidays huge_breasts light-skinned_female may_(moonlightdrawinguwu) milf moonlightdrawinguwu nude nude_female panties pussy star underwear
2girls ahe_gao ai_voice_acted anus asian asian_female asphyxiation ass ass_on_face ass_sniffing ass_worship black_hair blush bondage brown_hair brutal butt_sniffing chained_up chains chair chun-li crossed_legs cruel cruelty crying crying_with_eyes_open disgusted dominated domination dominatrix face_in_ass facesitting fart fart_cloud fart_fetish fart_in_face fart_torture farting farting_in_face farts female female_only femdom fetish furniture gas green_eyes hand_on_ass handcuffs human_chair human_furniture humiliation juri_han knocked_out lazei looking_down looking_pleasured moonlimp multiple_girls objectification odor pantylines pink_hair police police_officer police_uniform policewoman punishment seat seated sexual_objectification sitting sitting_on_face sitting_on_person slave smell smelling smile smirk smothering sniff sniffing street_fighter submission tagme tears tied tied_hands tied_up torture video yuri
2girls ahe_gao ai_voice_acted anus asian asian_female asphyxiation ass ass_on_face ass_sniffing ass_worship black_hair blush bondage brown_hair brutal butt_sniffing chained_up chains chair chun-li crossed_legs cruel cruelty crying crying_with_eyes_open disgusted dominated domination dominatrix face_in_ass facesitting fart fart_cloud fart_fetish fart_in_face fart_torture farting farting_in_face farts female female_only femdom fetish furniture gas green_eyes hand_on_ass handcuffs human_chair human_furniture humiliation juri_han knocked_out lazei looking_down looking_pleasured moonlimp multiple_girls objectification odor pantylines pink_hair police police_officer police_uniform policewoman punishment seat seated sexual_objectification sitting sitting_on_face sitting_on_person slave smell smelling smile smirk smothering sniff sniffing street_fighter submission tagme tears tied tied_hands tied_up torture video yuri
1boy 1girls ai_generated big_cock big_penis big_penis_adoration blowjob blowjob_face blowjob_gesture blush blushing_at_viewer blushing_female breasts clothed clothed_female clothed_female_nude_male clothed_sex clothing cock cock_sucking dark-skinned_male dark_penis dark_skin enormous_cock enormous_penis giant_cock giant_penis hands_on_cock hands_on_penis hat huge_cock indoors interracial jakuzure_nonon japanese_female kill_la_kill light-skinned_female light_blue_clothing light_blue_hat light_skin looking_at_viewer nails nails_painted oral penis pink_eyes pink_hair pink_nails pov pov_eye_contact short_hair small_breasts small_tits sucking_penis uniform
1boy 1girls ai_generated big_cock big_penis big_penis_adoration blowjob blowjob_face blowjob_gesture blush blushing_at_viewer blushing_female breasts clothed clothed_female clothed_female_nude_male clothed_sex clothing cock cock_sucking dark-skinned_male dark_penis dark_skin enormous_cock enormous_penis giant_cock giant_penis hands_on_cock hands_on_penis hat huge_cock indoors interracial jakuzure_nonon japanese_female kill_la_kill light-skinned_female light_blue_clothing light_blue_hat light_skin looking_at_viewer nails nails_painted oral penis pink_eyes pink_hair pink_nails pov pov_eye_contact short_hair small_breasts small_tits sucking_penis uniform
1girls ai_generated anime anime_style aqua_hair ass_visible_through_thighs bangs bare_shoulders between_breasts blouse blue_bow blue_eyes blue_hair blue_skirt blue_sky blush bow braid braided_ponytail breasts brick_wall building bust busty castle circlet cleft_of_venus closed_mouth clothes_lift clothing_cutout cloud cowboy_shot day exhibitionism female female_focus female_only frilled_shirt frilled_sleeves frills hair_over_shoulder hairbow harness hentai lifted_by_self long_hair looking_at_viewer medium_breasts natsuyoru non-asian outdoors paipan panties pantsu panty_pull pink_panties public_indecency puffy_short_sleeves puffy_sleeves pussy shaved_vagina shirt short_sleeves shoulder_cutout single_braid skirt skirt_lift sky smile solo solo_female standing tate_no_yuusha_no_nariagari the_rising_of_the_shield_hero therese_alexanderite thigh_gap thighs uncensored underwear vagina very_long_hair voluptuous voluptuous_female white_shirt
1girls ai_generated anime anime_style aqua_hair ass_visible_through_thighs bangs bare_shoulders between_breasts blouse blue_bow blue_eyes blue_hair blue_skirt blue_sky blush bow braid braided_ponytail breasts brick_wall building bust busty castle circlet cleft_of_venus closed_mouth clothes_lift clothing_cutout cloud cowboy_shot day exhibitionism female female_focus female_only frilled_shirt frilled_sleeves frills hair_over_shoulder hairbow harness hentai lifted_by_self long_hair looking_at_viewer medium_breasts natsuyoru non-asian outdoors paipan panties pantsu panty_pull pink_panties public_indecency puffy_short_sleeves puffy_sleeves pussy shaved_vagina shirt short_sleeves shoulder_cutout single_braid skirt skirt_lift sky smile solo solo_female standing tate_no_yuusha_no_nariagari the_rising_of_the_shield_hero therese_alexanderite thigh_gap thighs uncensored underwear vagina very_long_hair voluptuous voluptuous_female white_shirt
1girls artist_request bare_thighs big_breasts breasts cleavage female firefly_(honkai:_star_rail) grey_hair honkai:_star_rail honkai_(series) hoyoverse long_hair looking_at_viewer shirt shirt_only solo tagme
1girls artist_request bare_thighs big_breasts breasts cleavage female firefly_(honkai:_star_rail) grey_hair honkai:_star_rail honkai_(series) hoyoverse long_hair looking_at_viewer shirt shirt_only solo tagme
1boy 1girls against_wall ai_generated brown_hair bulge bulge_through_clothing carrying carrying_partner caught caught_in_the_act elf elf_ears elf_female groping_breasts holding_legs holding_legs_up human human_male human_penetrating interspecies large_breasts light-skinned_female light-skinned_male messy_hair red_eyes sex straight submissive_female white_hair
1boy 1girls against_wall ai_generated brown_hair bulge bulge_through_clothing carrying carrying_partner caught caught_in_the_act elf elf_ears elf_female groping_breasts holding_legs holding_legs_up human human_male human_penetrating interspecies large_breasts light-skinned_female light-skinned_male messy_hair red_eyes sex straight submissive_female white_hair
1girls 2boys blue_eyes blush cleavage fingering fingering_mouth fingers go-toubun_no_hanayome hair_between_eyes komainu_(yamaha1997) large_breasts nakano_yotsuba open_mouth orange_hair sweat swimsuit thick_thighs thighhighs thighs underwear wide_hips
1girls 2boys blue_eyes blush cleavage fingering fingering_mouth fingers go-toubun_no_hanayome hair_between_eyes komainu_(yamaha1997) large_breasts nakano_yotsuba open_mouth orange_hair sweat swimsuit thick_thighs thighhighs thighs underwear wide_hips
1boy 1girls ai_generated amelie_lacroix big_breasts big_penis black_penis blowjob blue_body blue_hair chubby curvy dark-skinned_male dark_skin fat glossy gym huge_breasts huge_cock interracial overwatch overwatch_2 spread_legs squatting tattoo thick thick_penis wet wet_body widowmaker
1boy 1girls ai_generated amelie_lacroix big_breasts big_penis black_penis blowjob blue_body blue_hair chubby curvy dark-skinned_male dark_skin fat glossy gym huge_breasts huge_cock interracial overwatch overwatch_2 spread_legs squatting tattoo thick thick_penis wet wet_body widowmaker
1boy 1girls ai_generated amelie_lacroix big_breasts big_penis black_penis blowjob blue_body blue_hair chubby curvy dark-skinned_male dark_skin fat glossy gym huge_breasts huge_cock interracial overwatch overwatch_2 sloppy_blowjob spread_legs squatting tattoo thick thick_penis wet wet_body widowmaker
1boy 1girls ai_generated amelie_lacroix big_breasts big_penis black_penis blowjob blue_body blue_hair chubby curvy dark-skinned_male dark_skin fat glossy gym huge_breasts huge_cock interracial overwatch overwatch_2 sloppy_blowjob spread_legs squatting tattoo thick thick_penis wet wet_body widowmaker
ai_generated bikini female female_only nico_robin one_piece vaporeeoniteai
ai_generated bikini female female_only nico_robin one_piece vaporeeoniteai
ai_generated female female_only nico_robin one_piece vaporeeoniteai
ai_generated female female_only nico_robin one_piece vaporeeoniteai
1girls ass ass_clapping ass_focus big_ass bubble_butt cellulite clapping_cheeks clothing cropped_jacket dat_ass elphelt_valentine fat_ass female female_only guilty_gear guilty_gear_strive huge_ass jacket large_ass legwear massive_ass omicrongamma pawg rear_view solo sweat sweatdrop sweaty_ass sweaty_body thick_ass thick_thighs thighhighs twerking wide_hips
1girls ass ass_clapping ass_focus big_ass bubble_butt cellulite clapping_cheeks clothing cropped_jacket dat_ass elphelt_valentine fat_ass female female_only guilty_gear guilty_gear_strive huge_ass jacket large_ass legwear massive_ass omicrongamma pawg rear_view solo sweat sweatdrop sweaty_ass sweaty_body thick_ass thick_thighs thighhighs twerking wide_hips
ai_generated female female_only nico_robin one_piece vaporeeoniteai
ai_generated female female_only nico_robin one_piece vaporeeoniteai
1girls ai_generated anthro anus barefoot below_view blue_eyes blush charmander claws collar eyebrows eyelashes furry generation_1_pokemon happy hi_res highres indoors looking_at_viewer lying_on_bed nintendo nude orange_body orange_skin pokemon pokemon_(species) presenting presenting_pussy pussy small_breasts small_nipples smile soles solo_female spread_legs spreading sweat sweatdrop sweating sweaty sweaty_feet synthneon
1girls ai_generated anthro anus barefoot below_view blue_eyes blush charmander claws collar eyebrows eyelashes furry generation_1_pokemon happy hi_res highres indoors looking_at_viewer lying_on_bed nintendo nude orange_body orange_skin pokemon pokemon_(species) presenting presenting_pussy pussy small_breasts small_nipples smile soles solo_female spread_legs spreading sweat sweatdrop sweating sweaty sweaty_feet synthneon
1futa 2025 2futas 2girls 2girls1futa ai_generated ass balls big_ass big_breasts big_penis blonde_hair breasts brown_eyes brown_hair christmas_clothing christmas_hat erection eyewear fellatio femsub floating_heart futa_on_female futadom futanari glasses green_hair half-closed_eyes high_resolution highres indoors jujutsu_kaisen kugisaki_nobara long_hair megane motion_lines oral penis ponytail saliva self_upload shadyfox short_hair sitting spread_legs stable_diffusion submissive_female sucking_testicles testicles thong threesome yuki_tsukumo zenin_maki
1futa 2025 2futas 2girls 2girls1futa ai_generated ass balls big_ass big_breasts big_penis blonde_hair breasts brown_eyes brown_hair christmas_clothing christmas_hat erection eyewear fellatio femsub floating_heart futa_on_female futadom futanari glasses green_hair half-closed_eyes high_resolution highres indoors jujutsu_kaisen kugisaki_nobara long_hair megane motion_lines oral penis ponytail saliva self_upload shadyfox short_hair sitting spread_legs stable_diffusion submissive_female sucking_testicles testicles thong threesome yuki_tsukumo zenin_maki
ai_generated female female_only nami_(one_piece) nude one_piece vaporeeoniteai
ai_generated female female_only nami_(one_piece) nude one_piece vaporeeoniteai
1boy 1girls ai_generated big_breasts big_penis big_thighs blacked blonde_hair chubby civitai cuckold cuckold_pov curvy dark-skinned_male dark_skin fat huge_breasts huge_cock huge_thighs hyper_penis interracial light-skinned_female light_skin mercy middle_finger missionary_position open_mouth overwatch overwatch_2 spread_legs stretched_pussy thick thick_thighs vaginal_penetration
1boy 1girls ai_generated big_breasts big_penis big_thighs blacked blonde_hair chubby civitai cuckold cuckold_pov curvy dark-skinned_male dark_skin fat huge_breasts huge_cock huge_thighs hyper_penis interracial light-skinned_female light_skin mercy middle_finger missionary_position open_mouth overwatch overwatch_2 spread_legs stretched_pussy thick thick_thighs vaginal_penetration
ai_generated bikini_top female female_only nami_(one_piece) one_piece pants vaporeeoniteai
ai_generated bikini_top female female_only nami_(one_piece) one_piece pants vaporeeoniteai
ai_generated bikini female female_only nami_(one_piece) one_piece vaporeeoniteai
ai_generated bikini female female_only nami_(one_piece) one_piece vaporeeoniteai
1girls ahoge bell big_ass big_breasts brown_eyes brown_hair christmas friday_night_funkin friday_night_funkin_mod girlfriend_(friday_night_funkin) huge_breasts huge_thighs long_hair pink_hair red_eyes red_hair ribbon santa_costume small_breasts smile star stuffed_toy thighs
1girls ahoge bell big_ass big_breasts brown_eyes brown_hair christmas friday_night_funkin friday_night_funkin_mod girlfriend_(friday_night_funkin) huge_breasts huge_thighs long_hair pink_hair red_eyes red_hair ribbon santa_costume small_breasts smile star stuffed_toy thighs
satoriwappa tagme
satoriwappa tagme
dat_ass miruko muscular_female my_hero_academia oddsnail
dat_ass miruko muscular_female my_hero_academia oddsnail
1girls 3d absurd_res antifragile_slay_star ass ass_up big_ass dark-skinned_female female female_only hi_res highres legs_spread nemesis_3d overwatch overwatch_2 sombra thick_thighs thighs
1girls 3d absurd_res antifragile_slay_star ass ass_up big_ass dark-skinned_female female female_only hi_res highres legs_spread nemesis_3d overwatch overwatch_2 sombra thick_thighs thighs
1girl bubble_butt cartoony crop_top fat_ass flat_chest shorts small_breasts thick_ass thick_thighs thong tomboy toon toonatti toony voluptuous wide_hips young younger_female
1girl bubble_butt cartoony crop_top fat_ass flat_chest shorts small_breasts thick_ass thick_thighs thong tomboy toon toonatti toony voluptuous wide_hips young younger_female
alcohol animatronic anthro beer big_breasts female female_focus fexa fexa_(cally3d) fexa_(cryptia) fexa_(cryptiacurves) five_nights_at_freddy's fnia food fox fox_ears fox_girl foxy_(fnaf) fredina's_nightclub hair looking_at_viewer meme pirate red_body red_hair red_skin robot_girl short_hair sofa solo solo_female yellow_eyes
alcohol animatronic anthro beer big_breasts female female_focus fexa fexa_(cally3d) fexa_(cryptia) fexa_(cryptiacurves) five_nights_at_freddy's fnia food fox fox_ears fox_girl foxy_(fnaf) fredina's_nightclub hair looking_at_viewer meme pirate red_body red_hair red_skin robot_girl short_hair sofa solo solo_female yellow_eyes
1boy 1girls ai_generated big_penis breasts brown_eyes brown_hair climax completely_nude cum cum_on_body cum_on_breasts cum_on_face cumshot cumshot_on_face ejaculation faceless_male female_focus forehead_protector forest happy happy_female happy_sex headband hi_res holding_penis kneeling konohagakure_symbol medium_breasts naruto naruto_(classic) naruto_(series) naruto_shippuden nature nude open_mouth outdoors partial_male penis_grab petite pubic_hair sitting smile straight teenager tenten tied_hair twintails uncensored
1boy 1girls ai_generated big_penis breasts brown_eyes brown_hair climax completely_nude cum cum_on_body cum_on_breasts cum_on_face cumshot cumshot_on_face ejaculation faceless_male female_focus forehead_protector forest happy happy_female happy_sex headband hi_res holding_penis kneeling konohagakure_symbol medium_breasts naruto naruto_(classic) naruto_(series) naruto_shippuden nature nude open_mouth outdoors partial_male penis_grab petite pubic_hair sitting smile straight teenager tenten tied_hair twintails uncensored
1boy 1girls ai_generated big_breasts big_penis big_thighs blacked blonde_hair chubby civitai curvy dark-skinned_male dark_skin fat huge_breasts huge_cock huge_thighs interracial light-skinned_female light_skin mercy missionary_position open_mouth overwatch overwatch_2 spread_legs stretched_pussy thick thick_thighs vaginal_penetration
1boy 1girls ai_generated big_breasts big_penis big_thighs blacked blonde_hair chubby civitai curvy dark-skinned_male dark_skin fat huge_breasts huge_cock huge_thighs interracial light-skinned_female light_skin mercy missionary_position open_mouth overwatch overwatch_2 spread_legs stretched_pussy thick thick_thighs vaginal_penetration