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Roboco-san (ロボ子さん, Robo-ko san, lit. Miss Robogirl) is a female Japanese virtual YouTuber and the second member ever of hololive. While she debuted alone way before generations were established, she is currently part of "hololive 0th gen" alongside fellow solo debutants: Tokino Sora, Sakura Miko, Hoshimachi Suisei and AZKi.

Introduction Video



Roboco's introduction.


"Hello-robo! Roboco here!"

A lonely, wimpy robot from a random wasteland.

She is now hoping to contact and live with lots of people as a Virtual Liver.[2]


Roboco is a robot girl who loves to pose. She has a killer instinct inside her. She is great at shooting except in video games, but likes to run over people in them. She hates when games try to surprise her. Her voice is spoken very calmly, almost a whisper.


Roboco wears a biker jacket with red stripes. She also wears black rimmed glasses. Her lower body consists of a pair of inverted chaps that only cover her crotch.

Her hairstyle is often "modified" between short brown-hair or long-hair, sometimes with cat ears or wearing glasses. It is revealed that, in the Holo no Graffiti shorts, she ties her hair in a ponytail.



Her channel was created on 7 February 2018, her Twitter account was also created on February, her first video was uploaded on 4 March.[3]


On 30 March, she debuted her pink hoodie during a stream.[4]


On 7 May, she reached 100,000 YouTube subscribers.

On 24 August, she debuted her 3D swimsuit outfit.


On 1 January, she announced on her Twitter account, that she would get a new 3D costume, a kimono in celebration of the new year, this costume was later debuted the same day.[5][6]

On 24 January along with the other hololive girls up to the third generation, she debuted her 3D idol outfit at hololive's 1st fes. Nonstop Story.[7]

On 16 April, she reached 200,000 YouTube subscribers.

On 4 August, she reached 300,000 YouTube subscribers.

On 7 November, she reached 400,000 YouTube subscribers.


On 16 January, she reached 500,000 YouTube subscribers during an endurance singing stream, making her the 28th hololive member to reach this milestone.[8]

On 24 April, Roboco reached 600,000 subscribers on her YouTube channel during an endurance singing stream.[9]

On 28 May, Roboco announced on her Twitter account that she would get a new costume.[10]

On 4 June, she debuted her new 3D costume, in this costume Roboco wears a black bride dress, with a lot of red motifs to combine with her arms and legs, the dress also have a lot of big roses with various tones of purple, these roses are also present in the tiara that she can optionally wear, unlike other outfits in this one Roboco wears shoes. She also has a black object coming out the right side of her forehead that is not present in other costumes.[11]


Main page:Roboco-san/Discography
Virtual Kaika Saizenzen!/Fragment with Sakura Miko and Tokino Sora    
Release Date 28 April 2019
バーチャル開花最前線!Fragment cover.jpg
Track List
  1. "Virtual Kaika Saizenzen!" (バーチャル開花最前線
  2. "Fragment"
  3. "Virtual Kaika Saizenzen! (you Remix)"
  4. "Fragment (Capchii Remix)"
External links
Digital Release
Suspect as hololive IDOL PROJECT    
Release Date 28 January 2021
Suspect Cover.png
Track List
  1. "Suspect"
  2. "Suspect" (instrumental
External links
Digital Release • Music Video



  • Her fanbase is officially called "Robosa" 「ろぼさー」.


  • Roboco uses rather masculine personal pronoun "boku"; this trait is shared with Nekomata Okayu and Amane Kanata.
  • Roboco has a Persian cat named Koromo and another cat called Hapi.
    • She also used to own a pet rabbit called Mikan, but it died in summer 2020.
  • She's good at FPS games and greatly enjoys playing them. She contacted Tokoyami Towa soon after her debut due to their shared interest and became quick friends after playing together. She then repeated the process with Nakiri Ayame.
  • She loves cute things and even lines them up on her desk.
  • She is the fifth member of hololive after Artia, Kiryu Coco, Amane Kanata and Aki Rosenthal to join the official hololive Subreddit as a moderator.

External Links


Further Readings

hololive logo
Solo Debutants
(hololive 0th Gen)
Tokino Sora (🐻) A-chan and Ankimo · Roboco (🤖) · Sakura Miko (🌸) · Hoshimachi Suisei (☄️) · AZKi (⚒️)
1st Generation Yozora Mel (🌟) · Aki Rosenthal (🍎) · Natsuiro Matsuri (🏮) · Shirakami Fubuki (🌽) · Akai Haato (❣️)
Retired Hitomi Chris (🌰)
2nd Generation Minato Aqua (⚓️) · Murasaki Shion (🌙) · Nakiri Ayame (👿) · Yuzuki Choco (🍫💋) · Oozora Subaru (🚑)
hololive GAMERS Shirakami Fubuki (🌽) · Ookami Mio (🌲) · Nekomata Okayu (🍙) · Inugami Korone (🥐)
3rd Generation
(hololive Fantasy)
Usada Pekora (👯) · Uruha Rushia (🦋) · Shiranui Flare (🔥) · Shirogane Noel (⚔️) · Houshou Marine (🏴‍☠️)
4th Generation Tsunomaki Watame (🐏) · Tokoyami Towa (👾) · Amane Kanata (💫) · Himemori Luna (🍬)
Retired Kiryu Coco (🐉)
5th Generation
Yukihana Lamy (☃️) · Momosuzu Nene (🥟) · Shishiro Botan (♌) · Omaru Polka (🎪)
Retired Mano Aloe (👅)
INNK logo
Member AZKi (⚒️)
hololive IN logo
1st Generation Airani Iofifteen (🎨) · Moona Hoshinova (🔮) · Ayunda Risu (🐿️)
2nd Generation Kureiji Ollie (🧟‍♀️) · Anya Melfissa (🍂) · Pavolia Reine (🦚)
hololive EN logo
1st Generation
-Myth- or holoMyth
Ninomae Ina'nis (🐙) · Takanashi Kiara (🐔) · Watson Amelia (🔎) · Mori Calliope (💀) · Gawr Gura (🔱)
Project: HOPE IRyS (💎)
hololive China (CN) (Dissolved Branch)
1st Generation Yogiri (🍼🎸) · Civia (🌙🦄) · Spade Echo (🍑) Everyone retired
2nd Generation Rosalyn (📖) · Doris (🐟) · Artia (❄️) Everyone retired
Holostars logo
1st Generation Hanasaki Miyabi (🌺) · Kanade Izuru (🎸) · Arurandeisu (🍕) · Rikka (⚙️)
Retired Yakushiji Suzaku (💊) · Kagami Kira (💙)
2nd Generation
Sun Tempo
Astel Leda (🎭) · Kishido Temma (🦔💨) · Yukoku Roberu (🍷)
3rd Generation
Kageyama Shien (🟣) · Aragami Oga (🐃)
Retired Tsukishita Kaoru (💅)


  1. Height chart (as of 31 May 2019)
  2. [Profile on] Retrieved from
  3. Roboco San [Roboco Ch. - ロボ子] (2018, March 4) 【ロボ子さん】Roboco ch. 04 03 2018 Teaser【#0】[Video File] Retrieved from
  4. Roboco San [Roboco Ch. - ロボ子] (2018, March 30) バイノーラル:雑談編#1 ~ボクとおしゃべりしよ~ [Video File] Retrieved from
  5. robocosan (2020, January 1) 配信予定 ボクの #ホロライブ正月衣装 は 15時から!!!! みんな起きて沢山見てほしい パパのおろし立ての晴れ着最高に可愛いんだから …ガチ恋して欲しいな?ふふっ〜 配信先 】[Tweet] Retrieved from
  6. Roboco San [Roboco Ch. - ロボ子] (2020, January 1) 【#ホロライブ正月衣装】お披露目!見てみて✨晴れ着を作ってもらったの~👘ガチ恋してみる…?【ホロライブ/ロボ子さん】[Video File] Retrieved from
  7. robocosan (2020, January 24) みんなぁぁぁ どうだったぁぁぁ??!?! ボクは最高に楽しかったよおおお 楽しすぎて0期ユニでハイ!!を多く言っちゃうほどに…ねっ ここまで来れたのはみんなのおかげ! 本当にありがとう✧*。*[ˊᗜˋ*]و✧*。 #とまらないホロライブ [Tweet] Retrieved from
  8. Roboco San [Roboco Ch. - ロボ子] (2021, January 16) 【耐久】50万人行くまで歌う!!!!!!!【ホロライブ/ロボ子さん】[Video File] Retrieved from
  9. Roboco San [Roboco Ch. - ロボ子] (2021, April 24) 【耐久歌枠】アカペラで地獄の60万人を見届けたい!よろしくおねがいしまあああっs【ホロライブ/ロボ子さん】 [Video File] Retrieved from
  10. robocosan (2021, May 28) 💜新衣装お披露目会💜 JST6月4日21時~ お待たせ、待った?? 新衣装をお披露目します!#ロボ子さん新衣装予想 で予想絵を募集中! どんな服なのか予想してみてね💜【#ロボ子さん新衣装】やっと見せれる新衣装✨え…コレが本当にボク??💓【ホロライブ/ロボ子さん】 [Tweet] Retrieved from
  11. Roboco San (2021, June 4) 【#ロボ子さん新衣装】新フォルムで動き回る💓え…コレが本当にボク…??💓【ホロライブ/ロボ子さん】[Video File] Retrieved from
  12. Official Dawn of the Breakers Website - The Roboco san x Dawn of the Breakers Crossover
  13. ブイブイブイテューヌ