Hakui Koyori

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Hakui Koyori
"Kon Koyo!"
Japanese Name博衣こより
English NameHakui Koyori
Debut DateNovember 28th, 2021 (YouTube)
Member ofSecret Society holoX
Fan NameKoyori's assistants (こよりの助手くん)
Emoji /
Oshi Mark
Official Media
YouTubeKoyori ch. 博衣こより - holoX -
Websitehololivepro.com (EN)
hololivepro.com (JP)
BirthdayMarch 15
Stream Talk#こより実験中

Introduction Video
Official Bio
Streaming Info
Other Media
External links

Introduction Video[edit]

Official Bio[edit]

The one in charge of R&D in Secret Society holoX.

As part of her studies into human behavior, she meddles in the other members' affairs and tries to help them out at every turn.

Possessed by an insatiable thirst for knowledge, she may sometimes also deliberately mess with people just to see how they react.

The self-proclaimed "brains of the operation." Her areas of expertise, however, are pretty limited.


Hakui Koyori is the "self-proclaimed brains of HoloX" Koyori is a Coyote not a Cat or a Fox (Very Important)




  • Sep. Twitter account creation date.
  • Sep. 12 YouTube channel creation date.
  • Nov. 26 Achieved a 100,000 YouTube subscriber milestone. [1]
  • Nov. 28 Achieved a 200,000 YouTube subscriber milestone. [2]
  • Dec. 01 Achieved a 300,000 YouTube subscriber milestone. [3]
  • Dec. 15 Achieved a 400,000 YouTube subscriber milestone. [4]


  • Jan. 01 Revealed her New Year's outfit.[5]
  • Jan. 23 Achieved a 500,000 YouTube subscriber milestone during a karaoke stream. [6]
  • May 14 Achieved a 600,000 YouTube subscriber milestone during a karaoke stream. [7]
  • Jun. 16 3D model debut. [8]
  • Sep. 01 Achieved a 700,000 YouTube subscriber milestone during a karaoke stream. [9]
  • Nov. 28 Revealed her 3D idol outfit during her 1st anniversary 3D live. [10]


  • Jan. 06 Achieved an 800,000 YouTube subscriber milestone during a karaoke stream. [11]
  • May 10 Achieved a 900,000 YouTube subscriber milestone during an endurance karaoke stream. [12][13]
  • Sep. 24 Achieved a 1,000,000 YouTube subscriber milestone during a karaoke stream. [14][15]

Streaming Information[edit]

Streamer Side
Scene Lines Romaji Meaning / Notes
Greetings こんこよ! Kon-Koyo! A combination of "konbanwa" (good evening) or "konnichiwa" (good afternoon) and "-Koyo", her name.
Introduction ホロライブ6期生、ホロックスの頭脳、博衣こよりだよ! Hololive 6th gen, holoX's brain, Hakui Koyori!
Farewell おつこよ! Otsu-Koyo! A combination of otsukare (good work) and -Koyo.
Viewer Side
Scene Lines Romaji Meaning / Notes
Waiting はい!はい!はい!はい! Hai! Hai! Hai! Hai! From the chorus of her intro song.

Other Media[edit]

She's part of official Hololive Manga "holoX MEETing", along with Takane Lui, La+ Darknesss, Sakamata Chloe and Kazama Iroha, that's being serialized in Shounen Jump Plus[16]


  • Had her Twitter account restricted for almost 2 weeks due to overwhelming interactions after the reveal of HoloX [17]. As of December 8, 2021, her Twitter account has been unrestricted.
  • Shares the same illustrator with Petra Gurin and Igarashi Rika of Nijisanji.
  • The only member who has links to all other members from all branches in her "channels" tab.
  • Koyori uses a paid font called Panda Bakery for her schedule and Morning Koyo streams.


Image Gallery[edit]


Original Songs[edit]

The following are original songs by Koyori.


乙女よ求めよQ.E.D. (Girl Seeks Q.E.D.)

エゴイスティック・シーソー (Egoistic Seesaw)

史上最大のQUESTION! (Shijyo Saidai no QUESTION!)

常夜リペイント (Jouya Repaint)


The following are a list of albums Koyori has made or participated in.

WAO! !
Release Date June 17, 2022
Track List
  1. WAO!!
  2. WAO!! (Instrumental)
External links
Digital Release • Music Video
乙女よ求めよQ.E.D. (Girls seeks Q.E.D.)
Release Date November 29, 2022
Track List
  1. 乙女よ求めよQ.E.D.
  2. 乙女よ求めよQ.E.D. (Instrumental)
External links
Digital Release • Music Video
史上最大のQUESTION! (Shijyo Saidai no QUESTION!)
Release Date March 15, 2023
Track List
  1. 史上最大のQUESTION!
  2. 史上最大のQUESTION! (Instrumental)
External links
Digital Release • Music Video
エゴイスティック・シーソー (Egoistic Seesaw)
Release Date March 15, 2023
Track List
  1. エゴイスティック・シーソー
  2. エゴイスティック・シーソー (Instrumental)
External links
Digital Release • Music Video
Collab Singles
Our Bright Parade
Release Date March 8, 2023
Track List
  1. Our Bright Parade
  2. Our Bright Parade (Instrumental)
External links
Digital Release

Cover Songs[edit]

The following are a list of songs covered by Koyori.

Solo Covers

Collab Covers


The following is a list of background music Hakui Koyori has used in her streams and videos.

  • 博衣こより 配信OP
    Made by: にーえぬ にーえぬ
    Usage: Loading Screen


  1. (Nov. 26, 2021) Retrieved from https://twitter.com/i/web/status/1464187785251028993
  2. (Nov. 28, 2021) Retrieved from https://twitter.com/i/web/status/1464951714088648707
  3. (Dec. 01, 2021) Retrieved from https://twitter.com/holo_analytics/status/1466076020357070849
  4. (Dec. 15, 2021) Retrieved from https://www.reddit.com/r/Hololive/comments/rgc4vm/hakui_koyori_celebrates_400000_subscribers/
  5. (Jan. 01, 2022) Retrieved from https://youtu.be/cuOcGQdY9KE?t=852
  6. (Jan. 23, 2022) Retrieved from https://www.reddit.com/r/Hololive/comments/sapekt/hakui_koyori_celebrates_500000_subscribers/
  7. (May 14, 2022) Retrieved from https://www.reddit.com/r/Hololive/comments/upilvn/congratulations_on_600000_subsribers_koyori/
  8. (Jun. 16, 2022) Retrieved from https://www.youtube.com/watch?v=yOZxZy1HcJg
  9. (Sep. 01, 2022) Retrieved from https://www.reddit.com/r/Hololive/comments/x2hq05/congratulations_koyori_for_reaching_700k/
  10. (Nov. 26, 2022) Retrieved from https://youtu.be/aLgQxWOWEnw?t=1980
  11. (Jan. 06, 2023) Retrieved from https://www.youtube.com/watch?v=vwiuTbhSZIs
  12. (May 10, 2023) Retrieved from https://www.youtube.com/watch?v=SJZjfayagUE
  13. (May 11, 2023) Retrieved from https://twitter.com/hakuikoyori/status/1656314745958572032
  14. (Sep. 24, 2023) Retrieved from https://www.youtube.com/watch?v=x9pSooWipw8
  15. (Sep. 24, 2023) Retrieved from https://twitter.com/hakuikoyori/status/1705955468815032810
  16. (Oct. 01, 2022) Retrieved from: https://twitter.com/shonenjump_plus/status/1576046745296916480
  17. (Nov. 26, 2021) Retrieved from https://twitter.com/i/web/status/1464071131384586247

External links[edit]