Search

(Supports wildcard *)
Tags

1girl book crescent crescent_hair_ornament crescent_hat_ornament crescent_pin dress hair_ornament hat hat_ornament hiyuu_(hiyualice) mob_cap patchouli_knowledge purple_eyes purple_hair solo star_(symbol) striped_clothes striped_dress touhou traditional_media upper_body vertical-striped_clothes vertical-striped_dress 2girls bare_shoulders black_panties blush breasts clothes_lift cone_hair_bun dress ganyu_(genshin_impact) genshin_impact hair_bun hair_ornament highres hizuki_higure keqing_(genshin_impact) lace lace_panties large_breasts lifted_by_self long_hair looking_at_viewer multiple_girls nipple_slip nipples panties panties_under_pantyhose pantyhose purple_dress purple_eyes purple_hair skirt skirt_lift solo_focus swept_bangs twintails underwear ! !! 4girls ahoge arm_up black_pantyhose black_ribbon black_shirt black_skirt blonde_hair blue_eyes blue_hair blue_skirt blush bocchi_the_rock! bouncing bow bowtie brown_eyes brown_sailor_collar clenched_hand closed_eyes closed_mouth collarbone collared_shirt commentary_request dress_shirt english_text gotoh_hitori green_eyes hair_intakes hair_ornament hand_up hands_under_legs hands_up head_tilt highres holding_own_leg ijichi_nijika jacket jumping kanaria_hisagi kita_ikuyo legs_together light_blush long_hair long_sleeves looking_at_viewer looking_up medium_hair mole mole_under_eye multiple_girls neck_ribbon one_eye_closed open_mouth pantyhose parted_bangs pink_hair pink_jacket pleated_skirt ponytail red_bow red_bowtie red_hair ribbon sailor_collar school_uniform shimokitazawa_high_school_uniform shirt shirt_tucked_in shirt_under_shirt short_sleeves shuka_high_school_uniform side_ponytail sidelocks simple_background skirt smile star_(symbol) star_hair_ornament sweat sweatdrop track_jacket trampoline white_background white_shirt wide_sleeves yamada_ryo 2girls :t absurdres alternate_hairstyle ass blue_buruma blue_trim blush brown_eyes brown_hair buruma buruma_pull choudai-sama closed_mouth clothes_pull cowboy_shot dot_nose embarrassed flat_chest from_behind gym_shirt hair_bobbles hair_ornament highres idolmaster idolmaster_cinderella_girls idolmaster_cinderella_girls_starlight_stage long_hair looking_at_another looking_at_viewer multiple_girls multiple_views ponytail shirt shirt_pull short_sleeves simple_background standing sweatdrop tachibana_arisu white_background white_shirt 1girl :d black_ribbon blush bow bow_hairband breasts brown_background brown_hair cherry_blossoms clothing_cutout coat coat_partially_removed collarbone commentary_request dress flower hair_flower hair_ornament hair_ribbon hairband hamayumiba_sou hanayamata happi head_tilt highres japanese_clothes long_sleeves low_twintails medium_hair navel navel_cutout open_mouth oversized_breast_cup pink_coat pink_eyes ribbon sekiya_naru short_dress short_twintails small_breasts smile solo strapless strapless_dress swept_bangs translation_request twintails upper_body white_bow white_dress white_hairband wide_sleeves 2girls ahoge black_sailor_collar blue_bow blue_bowtie blue_eyes blush bow bowtie carrying carrying_person commentary_request double-parted_bangs double_bun drooling grey_hoodie grey_skirt hair_bun hair_ornament hairclip hamayumiba_sou head_on_head head_rest heart heart_hair_ornament heavy_breathing highres hood hoodie long_hair long_sleeves looking_at_viewer loose_hair_strand low_twintails miniskirt multiple_girls ochikobore_fruit_tart parted_bangs piggyback pink_hair pleated_skirt purple_eyes purple_hair sailor_collar sakura_ino school_uniform sekino_roko serafuku side_up_bun simple_background skirt sleeves_past_wrists star-shaped_pupils star_(symbol) sweater symbol-shaped_pupils twintails v-shaped_eyebrows vignetting white_background white_sweater 3girls bang_dream! bang_dream!_it's_mygo!!!!! black_jacket blue_eyes bocchi_the_rock! brown_eyes brown_hair character_name collared_shirt commentary cube_hair_ornament english_commentary english_text food fur-trimmed_jacket fur_trim girls_band_cry gotoh_hitori green_jacket grey_hair guitar_case hair_between_eyes hair_ornament hair_over_shoulder half-closed_eyes holding holding_food holding_strap instrument instrument_case instrument_on_back iseri_nina jacket long_hair looking_at_viewer low_twintails lying medium_hair multicolored_clothes multicolored_jacket multiple_girls mygo!!!!!_(bang_dream!) on_back pink_hair pink_jacket sad_bocchi shirt sidelocks simple_background takamatsu_tomori track_jacket twintails two-tone_jacket white_background white_jacket white_shirt >_< 2girls :d blush censored closed_mouth crossed_legs dyadyadya eden_(honkai_impact) elysia_(honkai_impact) elysia_(miss_pink_elf)_(honkai_impact) english_text from_behind hair_ornament hand_on_own_hip heart honkai_(series) honkai_impact_3rd implied_futanari long_hair multiple_girls novelty_censor pink_hair simple_background sitting smile speech_bubble spitting thighhighs white_background 1girl autumn_leaves backpack bag beret black_flower black_footwear black_pantyhose black_scrunchie blue_eyes commentary_request double-parted_bangs floating_hat flower foot_up from_behind full_body green_sailor_collar green_skirt hair_flower hair_ornament hair_scrunchie hamayumiba_sou hat highres holding_strap loafers long_hair long_sleeves looking_at_viewer looking_to_the_side miniskirt neckerchief ochikobore_fruit_tart open_mouth orange_background pantyhose pink_hair plaid plaid_scarf pleated_skirt red_hat red_neckerchief sailor_collar sakura_ino scarf scrunchie shoes side_ahoge skirt sleeves_past_wrists smile solo standing sweater two-tone_background very_long_hair white_background white_sweater yellow_bag 1girl :d ^_^ absurdres ass_visible_through_thighs bell blush cherry_blossoms closed_eyes commentary_request cup day facing_viewer fang flower frilled_sleeves frills gradient_hair grey_hair hair_bun hair_flower hair_ornament hair_ribbon hands_up happy highres holding holding_cup hololive horns japanese_clothes jingle_bell kouhaku_nawa long_hair long_sleeves multicolored_hair nakiri_ayame nakiri_ayame_(shrine_maiden) nontraditional_miko official_alternate_costume oni open_mouth outdoors panties pantyshot poyoyo_(nakiri_ayame) red_flower red_hair ribbon ribbon-trimmed_sleeves ribbon_trim rope sakazuki shimenawa sidelocks skin-covered_horns skin_fang smile solo spring_(season) streaked_hair tassel tassel_hair_ornament terra_bose thighhighs thighs two_side_up underwear virtual_youtuber w_arms white_hair white_panties white_thighhighs wide_sleeves 2girls artist_name black_shorts blush breasts covered_nipples covering_own_mouth dress dyadyadya ear_blush eden_(honkai_impact) elysia_(honkai_impact) elysia_(miss_pink_elf)_(honkai_impact) english_text fellatio from_side futa_with_female futanari gloves hair_ornament honkai_(series) honkai_impact_3rd large_breasts long_hair long_sleeves multiple_girls oral penis pink_hair pointy_ears shorts standing trembling 1girl ;o arm_up bikini blue_eyes blue_hair blue_sky blush breasts cloud collarbone cowboy_shot danganronpa:_trigger_happy_havoc danganronpa_(series) dao_(li_0069) day frilled_bikini frills hair_ornament hairclip highres long_hair looking_at_viewer maizono_sayaka medium_breasts navel one_eye_closed outdoors sky solo stomach swimsuit water 1girl black_panties black_ribbon black_skirt black_thighhighs blunt_bangs blush breasts center-flap_bangs collar commentary_request earrings embarrassed fang gradient_hair grey_hair hair_ornament hair_ribbon highres hololive horns jewelry long_hair medium_breasts multicolored_hair nakiri_ayame nakiri_ayame_(streetwear) necktie no_bra nose_blush official_alternate_costume oni open_clothes open_mouth open_shirt panties panty_peek partial_commentary pleated_skirt raised_eyebrows red_eyes red_hair revision ribbon shirt simple_background skin-covered_horns skin_fang skirt sleeveless sleeveless_shirt solo streaked_hair terra_bose thigh_strap thighhighs thighs twintails unbuttoned unbuttoned_shirt underwear undressing very_long_hair virtual_youtuber wavy_mouth white_background x_hair_ornament zettai_ryouiki 1boy 1girl absurdres aether_(genshin_impact) ahoge alternate_costume armor arrow_(symbol) black_dress black_mask blonde_hair blue_eyes blush breasts brother_and_sister brown_eyes brown_shirt closed_eyes coffee cup dress earrings english_commentary english_text feather_hair_ornament feathers flower genshin_impact gold_trim grey_flower grey_scarf hair_between_eyes hair_flower hair_ornament hand_up heterochromia highres holding holding_cup jewelry lips long_sleeves looking_at_another lumine_(genshin_impact) majunjuu mask medium_breasts scarf shaded_face shirt short_hair short_sleeves shoulder_armor siblings sidelocks simple_background single_earring smile speech_bubble standing steam sweatdrop teeth thought_bubble upper_body white_background 1girl ass belt black_footwear black_gloves black_shorts breasts commission dated gloves green_eyes green_hair green_thighhighs hair_ornament hairclip jack-o'_challenge open_mouth shikei short_hair shorts sidelocks signature sinon skeb_commission small_breasts solo sword_art_online tentacles thighhighs top-down_bottom-up 1girl ass black_footwear black_gloves breasts commission dated gloves green_eyes green_hair grey_leotard hair_ornament hairclip jack-o'_challenge leotard one_eye_closed oral shikei shoes short_hair sidelocks signature sinon skeb_commission small_breasts sword_art_online tentacle_sex tentacles thigh_strap top-down_bottom-up vaginal 1girl absurdly_long_hair absurdres black_ribbon blonde_hair blue_eyes blush boots bow_(weapon) braid breasts cleavage cleavage_cutout clothing_cutout collarbone cover cover_page detached_sleeves dress elf elf_no_onna_no_ko_to_ecchi_na_koto_wo_shichau_anthology_comic flower green_dress grey_footwear hair_flower hair_ornament hair_ribbon hair_spread_out half-closed_eyes hamayumiba_sou highres holding holding_bow_(weapon) holding_weapon huge_breasts knee_boots kneeling leaning_forward lily_(flower) long_hair long_sleeves looking_at_viewer on_grass original pointy_ears red_brooch ribbon side-tie_peek side_slit sidelocks sleeveless sleeveless_dress solo very_long_hair weapon 2girls absurdres bare_shoulders blush breasts cone_hair_bun dress ganyu_(genshin_impact) genshin_impact hair_bun hair_ornament highres hizuki_higure keqing_(genshin_impact) large_breasts long_hair looking_at_viewer multiple_girls nipple_slip nipples purple_dress purple_eyes purple_hair solo_focus swept_bangs twintails 1girl ;d artist_name blue_dress blue_ribbon brown_hair dress frilled_dress frills hair_ornament hairclip highres idolmaster idolmaster_cinderella_girls looking_at_viewer neck_ribbon one_eye_closed ribbon ryuzaki_kaoru short_hair short_sleeves smile solo uroboros_t yellow_eyes 1girl acheron_(honkai:_star_rail) alternate_costume arm_behind_head arm_up bare_arms bare_shoulders bikini black_bikini blue_eyes blue_hair blue_sky blurry blurry_background breasts cleavage cloud cloudy_sky commentary_request cowboy_shot day flower front-tie_bikini_top front-tie_top hair_flower hair_ornament hair_over_one_eye highres honkai:_star_rail honkai_(series) large_breasts leg_tattoo long_hair low-braided_long_hair low-tied_long_hair navel penguintake purple_sarong red_flower red_lips revision sarong sky solo stomach swimsuit tattoo thigh_strap very_long_hair 1girl absurdres bare_shoulders black_bra blue_archive blush bra breasts closed_mouth cowboy_shot damcheong hair_between_eyes hair_ornament halo highres indoors large_breasts long_hair long_sleeves looking_at_viewer mechanical_halo navel no_pants off_shoulder open_clothes open_shirt panties parted_lips purple_eyes purple_hair ribbon shirt sidelocks single_bare_shoulder solo standing stomach thighs twintails two_side_up underwear white_shirt yuuka_(blue_archive) 1girl animal_ears baobhan_sith_(fate) blush breasts cleavage cleavage_cutout clothing_cutout daysoon1124 earrings fake_animal_ears fate/grand_order fate_(series) garter_straps gloves grey_eyes hair_ornament highres jewelry leaning_on_object leotard long_hair looking_at_viewer pink_hair playboy_bunny pointy_ears rabbit_ears red_leotard sidelocks solo thighhighs white_background white_gloves 1girl 2023 :d animal_ears armpit_crease black_bow black_bowtie black_scrunchie black_skirt blue_eyes blush bow bowtie breasts commentary_request double-parted_bangs drooling fake_animal_ears finger_counting floral_background flower_(symbol) from_above hair_between_eyes hair_ornament hair_scrunchie hamayumiba_sou hands_up highres large_breasts long_hair looking_at_viewer low_twintails middle_w ochikobore_fruit_tart open_mouth pink_hair rabbit_ears sakura_ino saliva scrunchie shirt side_ahoge skirt sleeveless sleeveless_shirt smile solo translation_request twintails upper_body v very_long_hair w white_background 1girl absurdres arched_back arm_tattoo arm_up artist_name badge belt black_belt black_footwear black_skirt black_sleeves boots breasts collared_shirt copyright_name detached_sleeves double-parted_bangs eyelashes farfetch'd fingernails full_body green_eyes green_hair green_nails green_necktie grey_background grey_shirt grin hair_ornament hand_up hatsune_miku headphones highres holding holding_poke_ball leaning_forward long_hair looking_at_viewer loose_belt manbou_no_ane miku_day miniskirt necktie number_tattoo parted_hair pleated_skirt poke_ball pokemon pokemon_(creature) project_voltage shirt skirt sleeveless sleeveless_shirt smile standing tattoo thigh_boots tie_clip twintails very_long_hair vocaloid wavy_hair wide_sleeves zettai_ryouiki 1girl absurdres ballet_boots bell black_one-piece_swimsuit breasts coat collar drum_(kancolle) from_side garrison_cap gloves grey_eyes hair_ornament hair_rings hat headgear highres kantai_collection long_hair lsnsn metal_collar neck_bell one-piece_swimsuit pink_hair red_hat short_sleeves skull_print small_breasts solo star_(symbol) star_hair_ornament swimsuit swimsuit_under_clothes very_long_hair white_coat white_gloves 1girl absurdres bare_shoulders bell belt black_jacket blazer blush center-flap_bangs character_name commentary_request cowboy_shot crop_top demon_girl demon_horns double_bun eyelashes fang gradient_hair grey_hair grin hair_bell hair_bun hair_ornament hands_up happy head_tilt headphones headphones_around_neck heart heart_hands highres hip_vent hololive horns jacket jingle_bell lightning_bolt_print lightning_bolt_symbol long_hair looking_at_viewer multicolored_hair nakiri_ayame open_clothes open_jacket pleated_skirt print_shirt red_eyes red_hair red_skirt shirt sidelocks simple_background skin-covered_horns skirt skull_hair_ornament sleeveless sleeveless_shirt sleeves_past_wrists smile solo straight_hair streaked_hair terra_bose tsurime two_side_up very_long_hair virtual_youtuber white_belt white_shirt 1girl ai_wa_muteki black_cardigan black_choker black_skirt blue_eyes cardigan choker collared_cardigan green_ribbon hair_ornament hairclip highres long_sleeves looking_at_viewer open_cardigan open_clothes open_mouth pantyhose pleated_skirt ribbon school_uniform shinonome_akira shirt short_hair shuumatsu_train_doko_he_iku? simple_background skirt sleeves_past_fingers sleeves_past_wrists tearing_up tears uniform white_background white_shirt 1girl ^_^ blurry bocchi_the_rock! brown_shirt chair closed_eyes commentary cube_hair_ornament depth_of_field gotoh_hitori grey_skirt hair_between_eyes hair_ornament highres indoors jacket kita_ikuyo long_hair movie_theater one_side_up open_mouth pink_jacket pleated_skirt pong_(pong_o0) shirt sidelocks sitting skirt smile sweat animal_ears black_collar black_gloves black_hair blue_eyes clothes_writing collar commentary craps_table crop_top crop_top_overhang detached_sleeves dice dice_hair_ornament double-parted_bangs ear_ornament english_commentary foreshortening gambling gloves hair_between_eyes hair_ornament hakos_baelz hakos_baelz_(1st_costume) hand_on_own_chin highres hololive hololive_english midriff mouse_ears mouse_girl mouse_tail mousetrap mr._squeaks_(hakos_baelz) multicolored_hair navel open_mouth red_hair sharp_teeth shirt single_glove smile solo spiked_collar spikes streaked_hair tail teeth twintails upper_teeth_only vakuuberi virtual_youtuber white_background white_hair white_shirt 1girl bare_shoulders blue_gloves bonnet bracelet commentary commission detached_sleeves dress english_commentary gloves hair_intakes hair_ornament hairclip half_gloves hand_up highres jewelry long_sleeves looking_at_viewer original qing_yan_xia skeleton_print sleeveless sleeveless_dress solo tiara white_background white_dress white_hair wide_sleeves 2girls ahoge alcohol alcohol_carton black_skirt blush bocchi_the_rock! bow braid closed_eyes cube_hair_ornament dress drunk glasses gotoh_hitori green_bow hair_bow hair_ornament hiroi_kikuri holding holding_case holding_rocket_launcher holding_weapon instrument_case jacket long_hair missile multiple_girls open_clothes open_jacket open_mouth pink_hair pink_track_suit pleated_skirt purple_hair rocket_launcher sharp_teeth side_ahoge simple_background single_braid skirt slippers star-shaped_eyewear star_(symbol) sunglasses teeth torako_(toramaru) track_suit weapon 1girl :d bikini black_hair blush breasts cleavage closed_eyes danganronpa_(series) danganronpa_2:_goodbye_despair flower hair_flower hair_ornament hand_up highres large_breasts long_hair mole mole_under_eye mozuku_(iiiiiiimomo) red_flower shiny_skin simple_background smile solo swimsuit teeth tsumiki_mikan upper_teeth_only white_background white_bikini 1boy 3girls ;d absurdres alternate_costume assault_rifle black_necktie blonde_hair blue_eyes blue_hair blue_shirt blue_shorts bulletproof_vest city_lights cityscape clorinde_(genshin_impact) commentary_request dark_blue_hair drop-shaped_pupils english_text female_service_cap furina_(genshin_impact) genshin_impact gun hair_ornament handgun hat highres holding holding_gun holding_weapon holstered long_hair long_hair_between_eyes megaphone mitsukayurie multicolored_hair multiple_girls navia_(genshin_impact) necktie neuvillette_(genshin_impact) night night_sky one_eye_closed pencil_skirt pointy_ears police police_badge police_hat police_uniform policeman policewoman purple_eyes rifle shirt shorts skirt sky smile streaked_hair symbol-shaped_pupils uniform walkie-talkie weapon white_hair 1girl air_bubble aqua_eyes black_footwear blonde_hair blush bubble commentary_request fang frilled_jacket frills grey_background hair_ornament hairclip hamayumiba_sou hat jacket lace_background looking_at_viewer looking_back naked_jacket nukui_hayu ochikobore_fruit_tart sandals see-through see-through_jacket side_ponytail sidelocks sitting skin_fang solo wariza white_hat white_jacket x_hair_ornament ! 1boy 1girl :o ahoge akamatsu_kaede animal_ears black_jacket brown_eyes cat_boy cat_ears cat_tail danganronpa_(series) danganronpa_v3:_killing_harmony from_side fu_ga_(vivi912912) grey_background hair_between_eyes hair_ornament highres jacket long_sleeves open_mouth pink_eyes pink_sweater_vest rabbit_ears rabbit_girl rabbit_tail saihara_shuichi shirt short_hair simple_background striped_clothes striped_jacket sweater_vest tail teeth upper_body 1girl absurdres belt_pouch blonde_hair blue_bow blue_bowtie blue_jacket blush bow bowtie breasts brown_eyes goddess_of_victory:_nikke hair_ornament highres houriigurei jacket large_breasts long_hair looking_at_viewer midriff navel nipples off-shoulder_jacket off_shoulder open_clothes open_jacket pencil_skirt pouch puffy_sleeves skirt sleeves_past_wrists smile solo strap tia_(nikke) 1girl :d baseball_cap belt bibi_(tokoyami_towa) black_choker black_hat black_shorts black_tank_top breasts center-flap_bangs choker cleavage colored_inner_hair commentary_request crop_top cropped_jacket demon_girl demon_tail double-parted_bangs fake_horns fang fishnet_thighhighs fishnets gradient_hair green_eyes green_nails hair_between_eyes hair_ornament hairclip halterneck hat highres holding holding_microphone hololive horned_headwear horns jacket knees_out_of_frame kuwaefuru long_hair long_sleeves looking_at_viewer medium_breasts microphone midriff multicolored_hair navel navel_piercing o-ring o-ring_choker off_shoulder open_mouth piercing pink_hair pink_nails pointy_ears purple_hair short_shorts shorts sidelocks single_thighhigh smile solo spike_piercing streaked_hair tail tail_ornament tail_piercing tank_top thigh_strap thighhighs tokoyami_towa tokoyami_towa_(1st_costume) twintails v virtual_youtuber white_belt white_jacket 1girl ;d absurdres alternate_costume alternate_hairstyle bell blunt_bangs blush bright_pupils center-flap_bangs chinese_zodiac commentary_request demon_girl demon_horns dragon drop_earrings earrings eastern_dragon eyelashes fang floral_print flower full_body gradient_hair grey_hair grin hair_flower hair_ornament hands_up happy highres hololive horns japanese_clothes jewelry jingle_bell kanzashi kimono leaf_hair_ornament long_hair looking_at_viewer multicolored_hair nail_polish nakiri_ayame new_year one_eye_closed open_clothes open_kimono print_kimono purple_kimono red_eyes red_flower red_hair red_kimono red_nails rope sandals shimenawa side_ponytail sidelighting sidelocks simple_background skin-covered_horns slit_pupils smile solo spirit standing streaked_hair tabi terra_bose tsurime very_long_hair virtual_youtuber white_background white_flower white_nails year_of_the_dragon 1girl :p abstract_background absurdres ahoge arm_up bare_shoulders belt black_belt black_jacket black_vest blue_eyes blush bow bracelet braid breasts character_request cleavage collarbone commentary_request dated detached_sleeves dot_nose dress food-themed_hair_ornament hair_between_eyes hair_bow hair_bun hair_ornament hand_up highres jacket jewelry large_breasts lipstick looking_at_viewer makeup maxwelzy one_eye_closed onigiri_hair_ornament open_clothes open_jacket open_mouth orange_hair princess_connect! shoulder_blush single_braid solo sweater teeth tongue tongue_out turtleneck turtleneck_sweater upper_teeth_only v variations vest white_dress white_undershirt 1girl animal_ears blue_archive blue_eyes bracelet breasts cat_ears cat_girl collarbone cross cutoff_jeans cutoffs denim denim_shorts flower hair_flower hair_ornament halterneck heart highres jewelry kneepits mari_(blue_archive) micro_shorts multiple_views orange_hair rinringyo shorts small_breasts speech_bubble spoken_heart thong underboob zipper 1girl :d absurdres ahoge beret blue_bow blue_bowtie blue_coat blue_corset blue_hair blush bow bowtie braid breasts center_frills cleavage_cutout clothing_cutout coat colored_tips commentary_request copyright_notice corset crossed_bangs double-parted_bangs elf flower frilled_shirt frills from_side fur-trimmed_coat fur_trim hair_between_eyes hair_flower hair_ornament half_updo hand_up hat heart heart_ahoge highres hololive izumi_kei large_breasts long_hair looking_at_viewer multicolored_hair off_shoulder official_art plaid plaid_bow plaid_bowtie pointy_ears shirt simple_background sleeveless sleeveless_shirt smile snowflake_hair_ornament snowflake_print solo streaked_hair underbust upper_body very_long_hair virtual_youtuber white_background white_hat white_shirt yellow_eyes yukihana_lamy yukihana_lamy_(1st_costume) 1girl absurdres animal_ears blue_hair divaartx expressionless flower gradient_hair hair_flower hair_ornament heart highres long_hair long_sleeves looking_at_viewer multicolored_hair pink_flower pink_hair pink_shirt purple_eyes shirt silvervale simple_background tail two-tone_hair virtual_youtuber vshojo white_background wolf_ears wolf_girl wolf_tail