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Hakui Koyori

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Hakui Koyori
博衣こより
Hakui Koyori as designed by Momoco
OccupationVTuber
YouTube information
Channel
Years active2021–present
Subscribers1.37 million
Views758 million
Last updated: September 16, 2026
Websitehololivepro.com

Hakui Koyori (Japanese: 博衣こより) is a Japanese VTuber affiliated with Hololive Production. She made her debut on November 28, 2021. She is known for the high-frequency with which she livestreams. Hakui released her first album, First Step, in 2025, and her second album, Chemical Spark, is set for release in December 2026.

Career

[edit]

Hakui Koyori is a member of Hololive's sixth generation, Secret Society HoloX, alongside La+ Darknesss [ja], Takane Lui [ja], Sakamata Chloe, and Kazama Iroha [ja].[1] She made her debut on November 28, 2021.[2] Her character was designed by the illustrator Momoco,[1] featuring pink hair and coyote ears.[3] In her lore, she is described as HoloX's researcher,[1] with her fans being called her assistants, and her character's birthday is March 15.[4]

She regularly hosts a morning program, "Asakoyo", that is about an hour long.[5] Her livestreams feature her playing a variety of video games of varying lengths.[6] Many of the games she plays are retro games or Soulslikes,[6] and she does not have lots of experience with FPS games.[7] In June 2022, Hakui gained a 3D model.[8] Hakui reached one million subscribers on YouTube on September 24, 2023.[6]

Hakui is known for the very-high frequency with which she livestreams and releases videos.[6] It is rare for her to not have livestreamed on every day of a given month.[6] For instance, in the first 20 days of August 2024, an undercount found that she had done 35 livestreams, and an undercount also found that she had held 352 livestreams at that point in the year.[5] On September 11, 2022, Hakui uploaded her 500th video to YouTube.[9][10] The analytics website Stream Charts estimated that she streamed for 1,914 hours in 2023.[3] As of September 2026, Hakui had released over 3,400 YouTube videos.[11] During Golden Week in 2023, Hakui debuted "Konkoyo24", a 24-hour livestream.[10] The livestream also saw the debut of a talk show "Discord Shocking", which features a different guest introduced by the previous guest.[12]

Music

[edit]

Hakui's first single, "Wao!!", which was written and composed by Deco*27 and arranged by Rockwell, was released on June 17, 2022.[13] Her second single, "Girls seeks Q.E.D.", is themed around her researcher character, featuring pi in its lyrics,[8] and its title features the science initialism Q.E.D.[14] She held a live concert to coincide with her character's birthday on March 15, 2023, first performing her singles "Shijyo Saidai no Question!" and "Egoistic Seesaw" at the concert.[8] At a concert to coincide with the 2nd anniversary of her debut on November 28, 2023, she first performed her singles "Unbalance" and "Tear-Gazer".[8] She was also part of the music group Blue Journey.[15] She has also released many cover songs,[6] which include classics and trending songs.[10] She has also held concerts with only acoustics.[16] On March 15, 2024, to coincide with her character's birthday, she performed at a 3D concert that included appearances by Rica Matsumoto, and released her seventh single "New Journey".[17]

She held an online concert on April 7, 2024, as part of a collaboration with Nissin Cup Noodles.[18] Hakui's first album, First Step, was released on March 15, 2025, the same day she held a 3D concert, to coincide with her character's birthday.[15] On March 28, 2026, she released the single "Kanseitouyori".[19] Hakui's second album, Chemical Spark, is themed around her character as a woman in science and it is set to release on December 2, 2026.[11] Hakui's first in-person concert is set to take place at Tokyo Garden Theater [jp] on December 22, 2026.[11]

Baseball

[edit]

Hakui is a fan of baseball. In November 2025, Hakui hosted a tournament on the baseball simulator Powerful Pro Yakyū 2024 - 2025 that reached over 120,000 concurrent viewers on her channel.[20] At the 2026 World Baseball Classic (WBC), Hakui called play ball at the Pool C match between Japan and the Czech Republic.[21] Japan won the match 9-0. She also simulcast some WBC games. Some netizens blamed Hakui for Japan's defeat in the WBC quarterfinals, the match following her call, and others also criticized her involvement, as a VTuber, in the WBC. These reactions were referenced and parodied by the comedian Soshina in a skit, which itself contributed to the polarization regarding Hakui's involvement.[22]

Artificial intelligence

[edit]

She has also created content centered on an artificial intelligence known as "AI Koyori". AI Koyori was created in 2023, after Hakui expressed interest in amid an examination by Hololive of possible uses of AI. She supervised its creation, supplying 3,000 sentences of her speech for its training data, and the AI has her same appearance and voice. Its text-to-speech functions utilize ChatGPT.[23][24][25]

Other work

[edit]

Hakui's first official merchandise was released for sale in March 2022.[26] She also appeared as a character in the manga HoloX Meeting.[27] Hakui provided the children-oriented audio guide at the Hakone Venetian Glass Museum [ja] with Hololive-affiliated VTuber Juufuutei Raden from January to July 2025.[28] In July 2025, a monthly column in Famitsu written by Hakui began syndication.[29] In September 2025, Hakui announced that she was the subject of a research project by a Japan Tobacco research group focused on voice.[30] Hakui voiced the characters Ikuhara Yume and Tinkermon in episode 19 of Digimon Beatbreak, which was released in February 2026.[31] In September 2026, Entergram announced that they were developing Koyorenium, a visual novel starring Hakui which was also supervised by her.[32][33] Entergram has previously produced visual novels starring Hololive members Minato Aqua and Nekomata Okayu.[34]

Discography

[edit]

Studio albums

[edit]

As lead artist

[edit]
Title Album details Peak chart positions Sales
JPN
[35]		 JPN
Comb.
[35]		 JPN
Hot
[36]
First Step 12 14 —[A] JPN: 12,053[37]
Chemical Spark
  • To be released: December 2, 2026
  • Label: Cover Corp.
  • Formats: CD, digital download, streaming
 To be released
"—" denotes releases that did not chart.

As Secret Society HoloX

[edit]
Title Album details Peak chart positions Sales
JPN
[38]		 JPN
Comb.
 JPN
Hot
Secret Order 7 10 —[B] JPN: 10,665[40]
"—" denotes releases that did not chart.

Singles

[edit]

As lead artist

[edit]
Title Year Peak chart positions Album
JPN
Dig.
[35]		 JPN
DL
[36]
"Wao!!" 2022 22 20 First Step
"Girls seeks Q.E.D." (乙女よ求めよQ.E.D.) 50 42
"Shijyo Saidai no Question!" (史上最大のQUESTION!) 2023 28 19
"Egoistic Seesaw" (エゴイスティック・シーソー) 31 31
"Unbalance" (アンバランス) 41 44
"Tear-Gazer" 47 48
"New Journey" 2024 — —
"Decorate" (デコレート) — 70
"Shiawase√Koyorinium" (シアワセ√コヨリニウム) — —
"Sukideka!!~BigLove????~" (スキデカ！~スキはデカく回顧録？~)
(with La+ Darknesss)		 2025 — — Secret Order
"Baku Love Chemistry" (爆ラブ＋ケミストリー) — — Chemical Spark
"Kanseitouyori" (管制塔より) 2026 — —
"NaN Game" — —
"Pink Ni Nattyae" (ピンクになっちゃえ) — 92
"—" denotes releases that did not chart.

As Secret Society HoloX

[edit]
Title Year Peak chart positions Album
JPN
Dig.
[38]		 JPN
DL
[41]
"Jouya Repaint" (常夜リペイント) 2022 — 52 Secret Order
"Labyrinthine Labyrinth" (迷宮なラビリンス) 2023 — —
"Kyouen Solidarity~Shake★Nabe~" (饗宴ソリダリティ~SHAKE★NABE~) — —
"Cho Yume Dodekkai!" (ちょ〜ゆめドデッカい!) 2024 — —
"Gyoukou Chronicle" (暁光クロニクル) 48 —
"Gyouan Xdeath" (暁闇エクスデス) 2025 — —
"Watcha Gatcha!!!!!!!!"
(with Hololive Generation 5)		 2026 —— Non-album single
"—" denotes releases that did not chart.

As collaborative artist

[edit]
Title Year Peak chart positions Album
JPN
[42]		 JPN
Comb.
[43]		 JPN
DL
[44]
"Tonde K! Hololive Summer" (飛んでK！ホロライブサマー)
(as Hololive Idol Project)		 2022 ——37 Hololive Summer 2022
"Our Bright Parade"
(with Ayunda Risu, Sakamata Chloe, Shirakami Fubuki, Watson Amelia, Sakura Miko, Amane Kanata, and Yukihana Lamy)		 2023 — —[C] 18 Non-album singles
"Mizutamari"
(as Blue Journey)		 24437
"Merry Holy Date"
(as Hololive Idol Project)		 ———
"Can You Do the Hololive? (Hololive Super Expo 2024 ver.)"
(as Hololive Idol Project)		 2024 ———
"Get the Crown"
(with Hoshimachi Suisei, Tokino Sora, Natsuiro Matsuri, Aki Rosenthal, Momosuzu Nene, Oozora Subaru, Tokoyami Towa, and Kazama Iroha as Hoshimatic Project)		 ——[D]36
"Beep Beep"
(as Hoshimatic Project)		 2026 18——
"—" denotes releases that did not chart.

See also

[edit]

References

[edit]
  1. 1 2 3 Lee, Choo Sum (September 16, 2026). "hololive Debuts 6th Generation Talent "Secret Society holoX"". Anime News Network. Retrieved September 17, 2026.
  2. ↑ Lada, Jenni (November 26, 2021). "Hololive 6th Gen Secret Society holoX Debut Streams Announced". Siliconera. Retrieved September 17, 2026.
  3. 1 2 "ホロライブ・博衣こよりが「推し活で大切だと思うこと」を語る…無理して頑張る推し活はしんどい、楽しく永く応援を". Excite (in Japanese). Inside. February 27, 2024. Retrieved September 17, 2026.
  4. ↑ Shukugi (December 2, 2022). "博衣こよりが説く、高頻度＆長時間配信の秘訣 ホロライブ「holoX」インタビュー". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  5. 1 2 Kohiki-an (August 19, 2024). "【ホロライブ】朝こよ、昼こよ、夜こよ、深夜こよ……。1日4回行動も可能、博衣こよりさんは本当に"一人"なのか？". Dengeki Online (in Japanese). Retrieved September 17, 2026.
  6. 1 2 3 4 5 6 Shirokuro (September 24, 2023). "ホロライブ博衣こより、YouTube登録者100万人突破 配信モンスターが快挙達成". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  7. ↑ Shirokuro (September 12, 2023). "ホロライブ博衣こよりの脳筋『メタルギア』配信 隠れず敵をなぎ倒す！". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  8. 1 2 3 4 Shirokuro (December 3, 2023). "ホロライブ博衣こより、オリジナル楽曲の軌跡 初作詞に込めたファンへのエール". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  9. ↑ "ホロライブ博衣こより名配信14選 1年経たず動画500本、驚異の配信スタイル". KAI-YOU (in Japanese). September 25, 2022. Retrieved September 22, 2026.
  10. 1 2 3 Shirokuro (September 26, 2023). "ホロライブ博衣こより名配信15選 100万人の心を掴んだ数々の名シーン". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  11. 1 2 3 Shirokuro (September 14, 2026). "ホロライブ博衣こより、初のソロライブ開催 2ndアルバムも全国流通リリースへ". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  12. ↑ Honda, Yuuki (March 25, 2024). "ホロライブ博衣こより、ぽんぽこと対談 しぐれういの紹介で邂逅". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  13. ↑ Tsuzuki, Ryosuke (June 17, 2022). "ホロライブ博衣こよりの初オリ曲「WAO!!」 DECO*27×Rockwellの王道ロック". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  14. ↑ Shirokuro (April 16, 2024). "秘密結社holoX『デュエプレ』でカード化!? 博衣こよりのコラボカードに注目したい理由". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  15. 1 2 Kohiki-an (March 15, 2025). "【ホロライブ】博衣こよりさんが生誕3Dライブを実施。しぐれうい先生、P丸様。もゲストに迎え、新曲も披露。「歌活動1歩目」と位置付ける晴れ舞台を彩る". Dengeki Online (in Japanese). Retrieved September 17, 2026.
  16. ↑ Shirokuro (September 16, 2025). "ホロライブ博衣こより、3Dアコースティックライブを生配信 AZKi、大神ミオら参加". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  17. ↑ Shirokuro (March 18, 2024). "ホロライブ博衣こより、声優 松本梨香と「めざせポケモンマスター」熱唱". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  18. ↑ Shirokuro (January 29, 2024). "ホロライブ博衣こより、ソロライブ決定 日清カップヌードルとのコラボで夢叶える". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  19. ↑ Shirokuro (April 8, 2026). "ホロライブ博衣こよりの新曲MVの謎を考察──"VTuberとしての自分"を救う物語". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  20. ↑ "3年越しの夢を根性で叶えた「博衣こより」-試合結果のネタバレなしで贈る、1か月の激闘の記録と企画への想い【#ホロライブ甲子園】". Inside Games (in Japanese). November 23, 2024. Retrieved September 17, 2026.
  21. ↑ 宮下敬至. "【WBC】「こんこよ～！」博衣こより驚きのプレーボールコール！侍ジャパン－チェコ戦 - WBC2026 : 日刊スポーツ". Nikkan Sports (in Japanese). Retrieved September 17, 2026.
  22. ↑ Tsuzuki, Ryosuke (March 18, 2026). "ホロライブ博衣こよりの「WBC」起用が賛否を呼ぶ理由 VTuberへの差別的な感情も表面化". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  23. ↑ Matsuura, Tatsuki (November 22, 2023). "VTuber「博衣こより」のAIチャット「AIこより」 カバーが開発背景紹介 作ったのは新卒エンジニア". ITmedia (in Japanese). Retrieved September 17, 2026.
  24. ↑ Haruyama, Yukari (May 26, 2023). "VTuber・博衣こより「ChatGPTでバズるツイートを作ってみよう」→2.8万件を超えるRT数を記録　まさかのバズりっぷりに「AIしゅごぃぃぃぃはぁぁん」". ITmedia (in Japanese). Retrieved September 17, 2026.
  25. ↑ Tamagomago (October 2, 2024). "ホロライブ・博衣こより作"AIこより"が本人と会話配信 → AI暴走で視聴者爆笑と冷や汗　「鈴鹿詩子はホロライブ2期生」". ITmedia (in Japanese). Retrieved September 17, 2026.
  26. ↑ Lada, Jenni (March 21, 2022). "Hakui Koyori Looks a Bit Smug in Her Birthday Celebration Merchandise". Siliconera. Retrieved September 17, 2026.
  27. ↑ Lada, Jenni (November 2, 2024). "HoloX Meeting Manga Lets Us Savor Hololive Vtubers Successes". Siliconera. Retrieved September 17, 2026.
  28. ↑ Yugaming (December 25, 2024). 儒烏風亭らでん×博衣こより、箱根ガラスの森美術館「お子さま用音声ガイド」に抜擢 [Juufuutei Raden x Hakui Koyori selected to create audio guide for children at Hakone Glass Forest Museum.]. KAI-YOU (in Japanese). Archived from the original on May 20, 2026. Retrieved May 23, 2026.
  29. ↑ "【ホロライブ】博衣こよりさんとフワモコさんのゲームコラムが週刊ファミ通で連載開始！ フワモコさん第1回は2025年7月3日発売号に掲載 | ゲーム・エンタメ最新情報のファミ通.com". Famitsu (in Japanese). Retrieved September 17, 2026.
  30. ↑ Yugaming (September 3, 2025). "ホロライブ博衣こより×JTが共同研究を開始 博衣こよりの"声"を題材に心への影響を探る". KAI-YOU (in Japanese). Retrieved September 17, 2026.
  31. ↑ Liu, Stephanie (February 10, 2026). "Hakui Koyori to Appear in Digimon Beatbreak". Siliconera. Retrieved September 17, 2026.
  32. ↑ Romano, Sal (September 17, 2026). "Entergram announces hololive Virtual YouTuber Hakui Koyori visual novel Koyorenium". Gematsu. Retrieved September 17, 2026.
  33. ↑ Cayanan, Joanna (September 21, 2026). "Entergram Announces Koyo -RE-Nium Visual Novel Starring Hololive VTuber Hakui Koyori". Anime News Network. Retrieved September 22, 2026.
  34. ↑ "【ホロライブ】エンターグラムから新作ゲームが発表。博衣こよりさんらしきシルエットが公開 | ゲーム・エンタメ最新情報のファミ通.com". Famitsu (in Japanese). Retrieved September 17, 2026.
  35. 1 2 3 "博衣こよりの合算アルバム売上TOP1作品". Oricon News (in Japanese). Retrieved September 16, 2026.
  36. 1 2 3 "博衣こより | Artist". Billboard Japan (in Japanese). Retrieved September 17, 2026.
  37. ↑ Physical (11,476): Digital (577):
  38. 1 2 "秘密結社holoXの合算アルバム売上TOP1作品". Oricon News (in Japanese). Retrieved September 17, 2026.
  39. ↑ "秘密結社ｈｏｌｏＸ | Artist". Billboard JAPAN (in Japanese). Retrieved September 17, 2026.
  40. ↑ "2026年04月度 オリコン月間 アルバムランキング 21～30位". Oricon News (in Japanese). Retrieved September 17, 2026.
  41. ↑ "Billboard Japan Top Download Songs | Charts". Billboard Japan (in Japanese). Retrieved September 17, 2026.
  42. ↑
  43. ↑ "Mizutamari". Oricon (in Japanese). Archived from the original on December 17, 2025. Retrieved April 16, 2025.
  44. ↑ "Hololive Idol Project". Billboard Japan (in Japanese). Archived from the original on December 9, 2025. Retrieved September 7, 2025.
  45. ↑ "hololive IDOL PROJECTのデジタルシングル売上TOP18作品". オリコンニュース（ORICON NEWS） (in Japanese). Retrieved September 20, 2026.
  46. ↑ "オリコン週間 デジタルシングル（単曲）ランキング 2024年11月04日～2024年11月10日 21～30位". オリコンニュース（ORICON NEWS） (in Japanese). Retrieved September 26, 2026.

Notes

[edit]
  1. ↑ First Step did not enter the Billboard Japan Hot Albums chart, but peaked at number 17 on the Download Albums chart.[36]
  2. ↑ Secret Order did not enter the Billboard Japan Hot Albums chart, but peaked at number 19 on the Download Albums chart.[39]
  3. ↑ "Our Bright Parade" did not enter the Oricon Combined Singles Chart but peaked at number 20 on the Oricon Digital Singles Chart.[45]
  4. ↑ "Get the Crown" did not enter the Oricon Combined Singles Chart but peaked at number 30 on the Oricon Digital Singles Chart.[46]
[edit]
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