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1girl blowing_bubbles blunt_bangs bocchi_the_rock! bow braid closed_eyes commentary_request dress drinking geta hair_bow hair_ornament highres hiroi_kikuri hoffun holding_glass_bottle jacket long_hair looking_at_viewer multiple_views open_mouth purple_hair reaching reaching_towards_viewer sharp_teeth smile solo teeth violet_eyes 1girl black_shorts blue_eyes blue_hair fire_emblem fire_emblem_awakening food food_fight glass_bottle hair_between_eyes highres holding holding_glass_bottle holding_tray hooters long_hair lucina_(fire_emblem) navel orange_shorts phrecklesart shirt shorts sleeveless sleeveless_shirt solo tied_shirt tray white_shirt 1boy arm_up blue_hair blush bracelet closed_eyes clouds cloudy_sky ear_piercing earrings fanny_pack grass grey_pants highres holding holding_glass_bottle jewelry kyo_kaneko male_focus multicolored_footwear multicolored_hair ne2_(renznyanya) nijisanji nijisanji_en open_mouth outdoors pants piercing pink_eyes ren_zotto shadow shirt shoes short_sleeves sitting sky sneakers soda soda_bottle streaked_hair t-shirt white_shirt 1boy alcohol animal_ears asanawa_maki black_fur cat cat_ears cat_nose cat_tail claws commentary_request dated dekiru_neko_wa_kyou_mo_yuuutsu english_text food fruit furry furry_male half-closed_eyes happy_new_year holding holding_glass_bottle holding_plate ink_stamp kadomatsu looking_at_viewer male_focus new_year official_art orange_(fruit) partially_translated plate plump sake signature tail tokkuri translation_request whiskers yamada_hitsuji 1girl black_bow black_jacket black_nails blush bocchi_the_rock! bottle bow braid closed_eyes dress drooling fang geta green_dress guilty_gear guilty_gear_strive hair_over_shoulder hiroi_kikuri holding_glass_bottle jacket may_(guilty_gear) multicolored_clothes multicolored_jacket nail_polish on_shoulder open_mouth outstretched_arm pointing purple_hair simple_background single_braid solo torako_(toramaru) two-tone_jacket white_background white_jacket wine_bottle 1girl black_bow black_jacket black_nails blush bocchi_the_rock! bottle bow braid closed_eyes cube_hair_ornament dress drooling fang fighting_game geta gotoh_hitori gotoh_hitori_(tsuchinoko) green_dress guilty_gear guilty_gear_strive hair_ornament hair_over_shoulder hiroi_kikuri hitbox holding_glass_bottle jacket may_(guilty_gear) multicolored_clothes multicolored_jacket nail_polish on_shoulder open_mouth outstretched_arm pink_hair pointing purple_hair simple_background single_braid solo torako_(toramaru) two-tone_jacket water waves white_background white_jacket wine_bottle 1boy :p absurdres air_vent bandaged_arm bandaged_neck bandages black_cat black_pants blue_eyes blue_hair blurry blurry_foreground bottle bowl box brown_footwear calico_cat cardboard_box cat chain-link_fence chair clothes_around_waist collared_shirt concrete contemporary crack cracked_floor cracked_wall fence folding_chair fubuki_(nige_jouzu_no_wakagimi) grass hair_behind_ear hair_over_one_eye hair_tie highres holding_glass_bottle jacket jacket_around_waist kitten leaf light_blue_hair loafers looking_at_viewer looking_back low_ponytail male_focus milk_bottle nige_jouzu_no_wakagimi one_eye_covered outdoors pants pet_bowl plant potted_plant shade shirt shoes short_sleeves solo squatting tongue tongue_out white_shirt xiao_(creation0528) ammunition animal_ears bottle burger censored censored_gesture censored_text cup eyes_in_shadow food furry gun handgun highres holding holding_bottle holding_glass_bottle holding_gun holding_tray holding_weapon ice jacket kana_tera open_clothes open_jacket open_mouth original rabbit_ears regito_(kana_tera) sharp_teeth shoes sneakers sparkle sweatdrop teeth translation_request tray weapon 1girl black_skirt bottle cocktail_glass collared_shirt cup drinking_glass food frown fruit glass glass_bottle highres holding holding_bottle holding_cup holding_glass_bottle jill_stingray lemon lemon_slice long_hair long_sleeves looking_at_viewer necktie pencil_skirt pink_background puffy_sleeves purple_hair red_eyes red_necktie rum shirt sidelocks simple_background skirt solo swept_bangs twintails va-11_hall-a white_shirt yanagui_yugi absurdres agnes_tachyon_(umamusume) ahoge animal_ears blush bow brown_hair chemical_structure earrings hair_between_eyes highres holding holding_glass_bottle holding_test_tube horse_ears horse_girl horse_tail huge_ahoge indoors jewelry long_sleeves looking_at_viewer messy_hair on_floor open_mouth pleated_skirt purple_sailor_collar purple_shirt purple_skirt purple_thighhighs red_eyes sailor_collar shirt single_earring sitting skirt tail takatu_nanto test_tube thigh-highs umamusume waist_bow wariza white_bow wolf_cut 1girl absurdres anger_vein artist_name asymmetrical_bangs blue_theme bottle commentary_request copyright_name crack cracked_floor eizouken_ni_wa_te_wo_dasu_na! ero_mikihime eyewear_on_head freckles from_above glasses grimace highres holding_glass_bottle kanamori_sayaka looking_up milk_bottle necktie school_uniform shadow shibahama_high_school_uniform shinai solo speech_bubble spread_legs sword weapon white_background 1girl 28_berakhah black_gloves blue_background blue_dress blue_hair cowboy_shot dress fur_hood gloves highres holding_glass_bottle hood original red_eyes simple_background solo standing star_(symbol) 1girl artist_name asymmetrical_bangs black_hair bottle eizouken_ni_wa_te_wo_dasu_na! english_commentary eyewear_on_head freckles glasses highres holding_glass_bottle kanamori_sayaka long_hair mayymuu milk milk_bottle over-rim_eyewear painterly purple_background school_uniform semi-rimless_eyewear shibahama_high_school_uniform simple_background solo 1boy 1girl belt blue_eyes blue_sky blush boots bottle brown_footwear brown_hair closed_mouth clouds commentary dress english_commentary epona fairy fairy_wings fence fgsketch green_hat green_tunic hat highres holding holding_bottle holding_glass_bottle horse link lon_lon_milk long_hair malon navi outdoors pointy_ears print_dress scarf sky smile standing sword sword_on_back the_legend_of_zelda the_legend_of_zelda:_ocarina_of_time tunic weapon weapon_on_back white_dress wings wooden_fence yellow_scarf young_link 3girls :o :p alice_in_wonderland analog_clock analog_stopwatch angora_rabbit ascot bat_wings black_choker black_hat blonde_hair blue_ascot blue_eyes blue_pupils blue_shirt blue_theme blurry blurry_foreground bow breasts bright_pupils candy_heart choker clock collared_shirt cover crossed_bangs cup cupcake detached_hair detached_sleeves dot_nose drink_me eat_me food food_on_face from_below fuiba_fuyu giving_food gochuumon_wa_usagi_desu_ka? gradient_ascot gradient_hair green_hair hair_between_eyes hair_bow half_updo hand_up hat hat_ornament heart heart_hat_ornament highres holding holding_food holding_glass_bottle holding_spoon incoming_food koi_(koisan) leaning_forward licking_lips licking_own_finger logo long_eyelashes long_hair looking_at_viewer magazine_cover manga_time_kirara matching_outfits medium_breasts medium_hair multicolored_ascot multicolored_hair multiple_girls official_alternate_costume official_alternate_hairstyle official_art outstretched_arm pink_ascot pink_eyes pink_pupils polar_opposites puffy_short_sleeves puffy_sleeves purple_ascot purple_hair purple_pupils purple_shirt purple_theme rabbit second-party_source shirt short_sleeves siblings sidelocks spoon stopwatch teacup tippy_(gochiusa) tongue tongue_out top_hat twins twintails two_side_up very_long_hair violet_eyes white_bow white_hat wing_hair_ornament winged_hat wings 1girl 2boys aubrey_(faraway)_(omori) aubrey_(omori) basketball_court basketball_hoop big_yellow_cat_(omori) black_eyes black_hair black_sweater_vest blue_eyes blue_hairband blue_sky bright_pupils brown_eyes brown_hair brown_shorts closed_mouth clouds dark-skinned_male dark_skin day denim denim_skirt expressionless glass_bottle grass hairband highres holding_glass_bottle jacket kel_(faraway)_(omori) kel_(omori) long_hair long_sleeves looking_at_another multiple_boys npa_0a omori outdoors picnic_table pink_hair playground short_hair shorts sitting skirt sky socks sunny_(omori) sweater_vest table white_jacket white_pupils white_socks 3girls asakusa_midori asymmetrical_bangs black_hair blue_skirt bob_cut border brown_hair camouflage camouflage_shirt clothes_writing commentary copyright_name eizouken_ni_wa_te_wo_dasu_na! floating_hair freckles highres holding_glass_bottle hood hoodie inverted_bob kanamori_sayaka looking_ahead matahei mizusaki_tsubame multiple_girls orange_hoodie shirt short_hair skirt sky stuffed_animal stuffed_rabbit stuffed_toy white_border 4girls asakusa_midori asymmetrical_bangs black_hair black_necktie copyright_name couch doumeki_parker drawing_(action) dress_shoes eizouken_ni_wa_te_wo_dasu_na! formal freckles glass_bottle hand_on_own_face headphones high_heels holding holding_glass_bottle holding_headphones kanamori_sayaka long_hair matahei mizusaki_tsubame multiple_girls necktie on_couch short_hair signature simple_background suit tongue tongue_out white_hair barefoot bass_guitar black_nails blunt_bangs bocchi_the_rock! bottle braid crossed_legs dress earrings exhaling_smoke feet floral_print_dress foot_focus highres hiroi_kikuri holding holding_bass_guitar holding_glass_bottle holding_instrument instrument jacket jewelry kikugawa_roku multicolored_clothes multicolored_jacket nail_polish psychedelic purple_hair sake_bottle sharp_teeth sidelocks sundress tatami teeth two-tone_jacket violet_eyes 3girls asakusa_midori bob_cut border commentary drawing_(action) eating eizouken_ni_wa_te_wo_dasu_na! eyewear_on_head freckles holding_glass_bottle inverted_bob kanamori_sayaka long_hair matahei mizusaki_tsubame monochrome multiple_girls open_mouth school_uniform shibahama_high_school_uniform sitting white_border 3girls asakusa_midori bob_cut bottle closed_eyes clothes_writing commentary copyright_name eizouken_ni_wa_te_wo_dasu_na! glasses holding_glass_bottle inverted_bob kanamori_sayaka matahei milk milk_bottle mizusaki_tsubame multiple_girls open_mouth shirt short_hair short_sleeves shorts signature 2boys alternate_costume aqua_eyes aqua_hair backpack bag belt black_hair black_pants bottle brothers closed_mouth cola gradient_hair hana_ni_nare highres holding holding_bottle holding_glass_bottle kimetsu_no_yaiba long_hair male_focus multicolored_hair multiple_boys open_mouth pants school_uniform shirt siblings smile tokitou_muichirou tokitou_yuichirou twins two-tone_hair white_shirt 1boy 1girl alternate_costume arch arms_up blonde_hair blunt_bangs bottle bow casual clenched_hand day foliage glass_bottle green_eyes grey_hair hair_bow highres holding holding_bottle holding_glass_bottle koze_niire looking_at_viewer makaino_ririmu multicolored_hair nijisanji ocean open_mouth outdoors pink_hair pink_shirt ponytail ramune shirt short_hair short_shorts short_sleeves shorts sidelocks smile smirk standing standing_on_one_leg streaked_hair t-shirt upper_body uzuki_kou virtual_youtuber white_bow white_shirt white_shorts 1boy ^_^ animal animal_ears animal_print arm_up backpack bag bandana baseball_cap bell bicycle blonde_hair blue_pants blush bottle closed_eyes collared_shirt commentary cow cow_ears cow_print cowbell denim drinking fake_animal_ears fur_sleeve_cuffs hair_between_eyes hand_on_headwear hand_to_own_mouth hat highres holding holding_glass_bottle horns jeans leg_up looking_ahead looking_at_viewer male_focus milk milk_bottle multicolored_clothes multicolored_shirt multiple_views open_mouth orange_eyes pants partially_shaded_face petting printer project_sekai red_bandana riding riding_bicycle running shachi_(kaisendon) shirt shoes short_sleeves simple_background smile sneakers sparkle speech_bubble star_(symbol) surprised sweatdrop teeth tenma_tsukasa thought_bubble translation_request upper_teeth_only white_background white_footwear white_fur wide_sleeves 1boy bare_arms bare_shoulders black_hair blush bottle checkered_clothes closed_eyes colored_skin day drinking game_cg glass_bottle grass hair_behind_ear holding holding_bottle holding_glass_bottle kel_(headspace)_(omori) kel_(omori) lowres male_focus milk_bottle official_art omocat omori open_mouth outdoors short_hair smile solo tank_top teeth third-party_source tongue tree upper_body upper_teeth_only white_skin 6+girls ahoge animal_ears black_hair blonde_hair braided_hair_rings brown_hair cup dream_journey_(umamusume) drinking ear_covers food gentildonna_(umamusume) green_eyes grey_hair gym_uniform hair_intakes hair_ornament hairband hairclip hat heart-shaped_ornament heart_ear_ornament highres hishi_miracle_(umamusume) holding holding_cup holding_glass_bottle holding_spoon holding_watermelon horse_ears horse_girl ice_cream jacket jungle_pocket_(umamusume) kitasan_black_(umamusume) long_hair long_sleeves mafty mini_hat mini_top_hat mr._c.b._(umamusume) multicolored_hair multiple_girls narita_top_road_(umamusume) oguri_cap_(umamusume) orange_hair orfevre_(umamusume) poster_parody red_eyes red_jacket red_track_suit rhein_kraft_(umamusume) shirokuma_(food) single_ear_cover spoon streaked_hair suiyou_dou_de_shou top_hat tracen_training_uniform track_jacket umamusume umamusume:_beginning_of_a_new_era wagashi white_hair yellow_eyes youkan_(food) 1girl :d absurdres ahoge akitsu_mikami belt black_corset blue_bow blue_bowtie blue_coat blue_hair blue_skirt blush boots bow bowtie braid breasts brown_belt brown_footwear center_frills choko_(cup) cleavage_cutout clothing_cutout coat colored_tips corset crossed_bangs crossed_legs cup double-parted_bangs flower frilled_shirt frilled_skirt frilled_thighhighs frills full_body fur-trimmed_boots fur-trimmed_coat fur_trim hair_between_eyes hair_flower hair_ornament hashtag-only_commentary hat heart heart_ahoge high_heel_boots high_heels highres holding holding_cup holding_glass_bottle hololive large_breasts leather_belt long_hair looking_at_viewer miniskirt multicolored_hair off_shoulder pleated_skirt pointy_ears shirt side_braid skirt sleeveless sleeveless_shirt smile snowflake_background snowflake_hair_ornament snowflake_print solo standing streaked_hair thigh-highs underbust virtual_youtuber wavy_mouth white_beret white_flower white_hat white_shirt white_thighhighs yellow_eyes yukihana_lamy yukihana_lamy_(1st_costume) >_< 4girls animal_ears artist_name bare_shoulders black_dress blush brown_hair cat_ears cat_girl dress eating eden_(honkai_impact) elf elysia_(honkai_impact) elysia_(miss_pink_elf)_(honkai_impact) english_text food fruit hair_between_eyes highres holding_glass_bottle honkai_(series) honkai_impact_3rd kotatsu long_hair multiple_girls orange_(fruit) orange_eyes orange_peel pardofelis_(honkai_impact) pink_hair plate pointy_ears purple_hair raiden_mei redhead roena shirt short_hair simple_background table under_kotatsu under_table very_long_hair violet_eyes white_shirt 1boy belt blonde_hair blue_eyes green_tunic highres holding_glass_bottle link phrygian_cap shield shield_on_back sword the_legend_of_zelda the_legend_of_zelda:_spirit_tracks the_legend_of_zelda:_the_wind_waker toon_link weapon wooden_shield yuuyou_(link1357zelda) 1girl 3girls absurdres ahoge artist_name bags_under_eyes bandana bike_shorts bike_shorts_under_skirt black_hair bottle breasts brown_hair buttons cow cup dress drinking_glass ghost glass_bottle gloves hair_ornament hairband hand_on_own_hip haunter hex_maniac_(pokemon) highres holding_glass_bottle long_dress long_hair may_(pokemon) messy_hair milk_bottle miltank moomoo_milk multiple_girls open_mouth otakuman pink_hair pokemon pokemon_(creature) pokemon_hgss pokemon_rse pokemon_xy purple_hair purple_hairband purple_nails red_bandana red_shirt shirt short_hair short_sleeves shorts socks solo striped_clothes striped_socks twintails udder very_long_hair violet_eyes whitney_(pokemon) 1boy afro bicycle chair character_name coat coat_partially_removed english_commentary english_text epaulettes hand_on_own_head highres holding_glass_bottle kuzan_(aokiji) looking_at_viewer lounge_chair male_focus mazaochizao on_chair one_piece pants shadow sitting solo tank_top white_coat 1boy 1girl animal_ears apron black_gloves black_hair black_shirt blunt_tresses bottle bow braid cape cherry_blossoms clothing_cutout flower fox_boy fox_ears fox_girl frills glass_bottle gloves green_bow hair_flower hair_ornament heart_cutout highres holding holding_bottle holding_glass_bottle japanese_clothes kimono knee_cutout leaf love_potion original pants pink_hair pink_kimono pink_theme plant red_bow red_cape sandals shirt vines white_apron white_pants yumenouchi_chiharu 1boy anger_vein animalization black_jacket blonde_hair blue_shirt cat cigarette closed_eyes curly_eyebrows earrings english_commentary facial_hair food goatee grin hair_over_one_eye haramaki hat highres holding holding_cigarette holding_glass_bottle jacket jewelry male_focus meat meatkuuu monkey_d._luffy necktie one_piece roronoa_zoro sanji_(one_piece) scar scar_across_eye scar_on_face shirt short_hair simple_background smile straw_hat sweatdrop white_background white_necktie 2boys alcohol belt black_hair blonde_hair blue_shirt blush brown_belt closed_eyes collarbone collared_shirt cup drunk english_commentary goggles grey_jacket grey_suit happy hat highres holding holding_cup holding_glass_bottle holding_teapot ino_takuma jacket jujutsu_kaisen long_sleeves male_focus multiple_boys nanami_kento necktie rozaroza shirt short_hair sitting smile soju standing suit teapot upper_body watch watch yellow_necktie 1girl ahoge aqua_background black_jacket blue_eyes blue_hair blue_headwear border bottle clothing_cutout collared_shirt facial_mark fang foreshortening glass_bottle hair_between_eyes hat highres holding holding_bottle holding_glass_bottle jacket large_hat lightning_bolt_symbol long_hair looking_at_viewer low_twintails multicolored_hair necktie one_eye_closed open_clothes open_jacket open_mouth orange_hair otomachi_una red_necktie red_trim shirt shoulder_cutout skirt sleeves_past_wrists smile solo streaked_hair suiso_sn3 twintails v-shaped_eyebrows very_long_hair vocaloid white_border white_shirt white_skirt 1girl :p alcohol animal_ears bags_under_eyes bear_ears black_bracelet black_collar black_eyes black_footwear black_nails blonde_hair broken_bottle censored collar collarbone ear_piercing earrings evil_smile fake_animal_ears fake_censor freckles glass_bottle grey_overalls highres holding_glass_bottle jewelry messy_hair multiple_views original overalls piercing red_shirt red_wine sepia_background shirt short_hair simple_background skull_belt skull_collar skull_earrings smile spiked_collar spikes striped_clothes striped_shirt tongue tongue_out tonkatsu184 wide_sleeves wine 1girl ^_^ absurdres adeptus_mechanicus adeptus_mechanicus_(symbol) ambiguous_red_liquid animal_skull artificial_eye bottle celtic_mythology closed_eyes commentary cyborg english_commentary equine_skull extra_arms from_side full_body gears green_robe happy heterochromia highres holding holding_bottle holding_glass_bottle magos_(warhammer) mari_lwyd mechanical_arms mechanical_eye mechanical_legs mechanical_parts mechanical_tentacles monster open_mouth orange_ribbon original red_eyes ribbon robe skull_on_head speaker staff standing techpriest teeth torn_clothes warhammer_40k white_eyes white_ribbon wolfdawg_art 1girl 1other absurdres ambiguous_gender bag_of_chips baseball_bat beach_chair bottle brown_hair cake closed_mouth commentary_request cooler covered_eyes covered_face dress expressionless flip-flops flower-shaped_eyewear food fruit garage ghost_costume glass_bottle highres holding holding_bottle holding_glass_bottle medium_hair on_chair original outdoors outstretched_legs pinata poster_(object) print_dress rainbow_print sandals scribble shade sitting sleeveless sleeveless_dress soda_bottle solo strawberry_cake sunglasses swept_bangs ttanne watermelon wide_shot 2girls apron black_headwear black_ribbon black_skirt black_vest blonde_hair blunt_bangs book book_stack bottle bow braid capelet chemise chemistry chemistry_set collar collared_dress crescent crescent_hat_ornament door dress frilled_apron frilled_capelet frilled_collar frills glowing hair_bow hair_ribbon hands_up hat hat_bow hat_ornament highres holding holding_book holding_bottle holding_glass_bottle indoors kirisame_marisa light_frown long_hair long_sleeves mob_cap multiple_girls neck_ribbon open_door patchouli_knowledge pink_dress puffy_short_sleeves puffy_sleeves purple_hair purple_robe purple_stripes red_bow red_ribbon ribbon robe shelf short_sleeves side_braid sidelocks single_braid skirt star_(symbol) star_hat_ornament striped striped_dress test_tube tojorin touhou upper_body vertical-striped_dress vertical_stripes vest violet_eyes waist_apron white_apron white_bow wide_sleeves witch_hat yellow_eyes arthropod_girl bird_skull bone book bookmark box brown_glassware cactus cardboard_box commentary english_commentary envelope framed_insect glasses hand_blush highres holding_glass_bottle illegible_text indoors jar label magnifying_glass making-of_available mantis_girl original paint paint_tube paintbrush palette_(object) paper petri_dish plant polaroid potted_plant power_strip rhinoceros_beetle sunlight tape tube tweezers windowsill xi_zhang 1girl ambiguous_yellow_liquid animal animal_focus animal_skeleton animal_skull arthropod_girl avian_skeleton beaker bedding_(animal_care) beetle biology bird bird_skull bone book book_stack bookmark bottle box branch brown_feathers brown_glassware bug cactus canvas_(object) cardboard_box cat_skull chemicals clock commentary dead_animal desk display_case dress dropper english_commentary english_text envelope feathers filing_cabinet fish framed_insect frilled_neck_lizard from_side glass glass_bottle glass_stirring_rod glasses green_feathers hand_blush heat_lamp highres holding_glass_bottle illegible_text in_jar indoors jar label laboratory_glassware lamp leaf lizard magnifying_glass making-of_available mantis_girl map measuring_glass medium_hair mounted_skeleton mounted_skull note on_rock open_mouth original paint paint_tube paintbrush palette_(object) paper parrot petri_dish pitcher plant polaroid poster_(object) potted_plant power_strip praying_mantis reptile reptile_skeleton rhinoceros_beetle rock rolling_tray scientific_poster scribble_text seahorse shelf skeleton solo_focus spray_bottle standing sunlight swivel_chair table tape taxidermy tea terrarium thermometer tube tweezers wall web_address wet_specimen window windowsill xi_zhang zoological_specimen zoology 1girl ambiguous_yellow_liquid animal animal_focus animal_skeleton animal_skull arthropod_girl avian_skeleton beaker bedding_(animal_care) beetle biology bird bird_skull bone book book_stack bookmark bottle box branch brown_feathers brown_glassware bug cactus canvas_(object) cardboard_box cat_skull chemicals commentary dead_animal desk display_case dress dropper english_commentary english_text envelope feathers filing_cabinet fish framed_insect frilled_neck_lizard from_side glass glass_bottle glass_stirring_rod glasses green_feathers hand_blush heat_lamp highres holding_glass_bottle illegible_text in_jar indoors jar label laboratory_glassware lamp leaf lizard magnifying_glass making-of mantis_girl map measuring_glass medium_hair mounted_skeleton mounted_skull note on_rock open_mouth original paint paint_tube paintbrush palette_(object) paper parrot perspective_lines petri_dish pitcher plant polaroid poster_(object) potted_plant power_strip praying_mantis reptile reptile_skeleton rhinoceros_beetle rock scientific_poster scribble_text seahorse skeleton solo_focus spray_bottle standing sunlight table tape taxidermy tea terrarium thermometer tube tweezers wall wet_specimen windowsill xi_zhang zoological_specimen zoology