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Rikka (律可) is a male Japanese Virtual YouTuber endorsed by hololive's branch Holostars as part of its first generation along with Hanasaki Miyabi, Kagami Kira, Kanade Izuru, Arurandeisu and Yakushiji Suzaku.

Introduction Video

【初配信】ホロロイドの律可初配信!【ホロスターズ】

【初配信】ホロロイドの律可初配信!【ホロスターズ】

Rikka's introduction.

Profile

A robot (holoroid) created FOR Holostars. As he loves to learn new things, he absorbs all sorts of information from databases and the Internet. He is also interested in human beings, which is why he started steaming, even though sometimes he suddenly bugs out and becomes awkward.[1]

Personality

Rikka says that he is equipped with high-performance AI, but despite that, he has 2GB of memory, making him prone to forgetfulness, and even has been described as an airhead by fans and fellow Holostars members. Despite Rikka's young age, he is a mature individual, reassuring fans[2] on the day Kira was announced to graduate and is considered a reliable figure by Holostars members.[3] He doesn't think he's good with words and prefers to express himself with his music instead.[4]

History

Background

Rikka's presence was first teased along with the additions of Arurandeisu and Yakushiji Suzaku through a press release on 2 September 2019.[5] He was later officially announced as a sixth member of holostars' first generation on 17 October.[6] His Twitter account was created in 18 September; his YouTube channel was created on the same day, and his debut stream was performed on 20 October.

2019

On 21 October, Rikka released his first cover song, Dakara Boku wa Ongaku o Yameta (That's Why I Gave Up on Music) by Yorushika.[7]

2020

On 15 March, he revealed his White Day costume.[8]

On 5 May, he reached 20,000 subscribers.[9]

On 3 June, he reached 30,000 subscribers.[10]

On 18 June, it was announced on Rikka's stream that he will get his 3D model.[11] His 3D stream was performed on 21 June.[12] During the 3D stream, he performed his first original song, "Re:Hello world" Its music video was premiered on 28 June. The song then became available on iTunes on 5 September and became available on other various streaming services on 8 September.[13]

On 7 July, he reached 40,000 subscribers.[14]

On 9 July, he hosted the first episode of his new series called "RiTunes Labo", where he invites guests, such as fellow VTubers and voice actors, to sing with him online, accompanied with Rikka's guitar playing. He uses a software called SYNCROOM enabling him and the guest to be in sync with each other with little delay when singing together. The playlist of the series can be found here. His first guest was his fellow VTuber Amenosei.[15]

On 4 August, he revealed his summer costume.[16]

On 13 August, he reached 50,000 subscribers.[17]

On 3 September, he opened his membership feature.[18]

On 20 September, he reached 60,000 subscribers.[19]

On 25 October, he reached 70,00 subscribers.[20]

On 28 November, he reached 80,000 subscribers.[21]

On 25 December, it was announced that all the Holostars members would receive new costumes on 3 January, 2021, commemorating New Year's.[22] On the same day, he reached 90,000 subscribers.[23]

2021

On 3 January, he revealed his new year's costume,[24] which was modelled by vivi.[25]

On 17 January, Rikka reached 100.000 subscribers during an endurance singing stream, being the second Holostars to reach this milestone.[26]

On 25 March, in his concert "Over the silver dawn" commemorating his milestone of 100,000 subscribers, he sang two new original songs, a duet with Mori Calliope called "spiral tones" and a solo called "Archive". Later in his fifteenth edition of RiTunes Labo featuring Calli, they announced that a MV for "spiral tones" was in the making.[27]

On 10 May, the MV for "spiral tones" was released, and he and Calli announced an open-for-everyone spiral tones fan works event, for people to send remixes, vocal covers, or dances to the hashtag #morikka_st, with 30 winners to receive an autographed postcard from both of them.[28]

On 22 May, the MV for "Archive", Rikka's second original solo was released, a song dedicated to all of the graduated Holostars.[29]

On 13 July, hololive's Japanese Twitter account announced that every Holostars member would get 2.0 version of their 2D model.[30]

On 23 August, he announced the 2.0 update to his Live2D model with singing relay along with Kanade Izuru]] and Astel Leda who also got their model updated.[31]

On 6 September, Rikka announced on his Twitter account that he would receive his fifth 2D costume.[32]

On 10 September, Rikka debuted his fifth 2D costume.[33]

Discography

Main page: Rikka/Discography
Re:Hello world 8 September 2020    
  1. "Re:Hello world"
  2. "Re:Hello world" (instrumental)
Rikka Hello World Cover.png
External links
Digital Release • Music Video
Archive 23 May 2021    
  1. "Archive" (アーカイブ)
  2. "Archive" (instrumental)
Rikka Archive Cover.png
External links
Digital Release • Music Video

Events

2020

On 2 August, Rikka entered Shibuya Hal's Apex Legends VTuber Most Cooperatitive Tournament along with Hanasaki Miyabi and Kageyama Shien under their group name "Star☆Sweeper". They placed 20th in overall ranking.[34]

On 9 October, Rikka was a part of Waku Waku! VTuber Hiroba Online Vol. 2 (わくわく!VTuberひろば おんらいん Vol.2) along with Nanase Taku, Akiyama Rentarou from Himashokudo and Hanagasa Ilya.[35] Fellow Holostars members Kageyama Shien and Aragami Oga, as well as Syukusei Batumaru and Boyacky from Yatterman Channel were also part of the event.

On 15 October, it was announced that Rikka would be part of the event V Men Sai! 2020 (Vメン祭!2020), held on 15 November, 2020, along with MonsterZ MATE, Tenkai Tukasa, Nanase Taku, Syukusei Batumaru and Himashokudo.[36]

On 26 October, it was announced that Holostars goods would be sold at Animate Girls Festival Aozora Marche, held on November 7-8, 2020,[37] and on 28 October, 2020, it was announced that Holostars would be participating in the event as guests.[38] Rikka is part of the "Virtual Clerk" (バーチャル店員), the "Virtual Kabedon" (バーチャル壁ドン) and "Chatting Fes" (おしゃべりフェス) exhibitions in the event.[39]

2021

On 23 January, it was announced he will appear in TUBEOUT vol.5 on 27 February, 2021 along with fellow hololive Production member AZKi.[40]

On 28 January, it was announced that "Net Talking Festival", an Holostars exclusive event, will be held on 14 February where fans can have a one-on-one chat with any of the Holostars members for 3 minutes, talking about their daily feelings of gratitude to an important person.[41]

From 25 until 27 June, all Holostars members participated in their 2nd anniversary event "Our Rally 2021", the event featured 3 Holostars in each day of the event, Rikka participated in the 1st day.[42] On the final day of the event, an original song Just Follow Stars was released on the official Holostars channel featuring all members singing.

On 3 July, Rikka participated in the Apex Legends tournament Reignite Cup as team "Utanaide Kudasai" along with Naruse Naru and Arurandeisu.[43] The team placed 19th in overall ranking.

On 16 July, Rikka participated in YouTube Music Weekend along with hololive Production members Roboco-san, AZKi, Mori Calliope and Tokino Sora.[44]

On 24 July, Rikka participated in the Apex Legends tournament Cypher Cup Festival as team "Otogirisou" along with Nishizono Chigusa and Otogi (Team UNITE). The team placed 5th in overall ranking and advanced to the main tournament's Grand Final.

On 25 July, Rikka participated in the Apex Legends tournament Cypher Cup Grand Final as team "Otogirisou" along with Nishizono Chigusa and Otogi. The team placed 14th in overall ranking.

On 31 July, hololive's Japanese Twitter account announced that Rikka along with Tokino Sora would participate in "TUBEOUT!FES -2021 SUMMER-".[45]

On 22 August, Rikka participated in Apex Legends VTuber Most Cooperatitive Tournament Season 3 as team "ReTIcle" along with fellow Holostars members Kanade Izuru and Kishido Temma. The team placed 17th in overall ranking.[46]

On 15 October, holostars' Twitter account announced that holostars would participate in "Animate Girls Festival 2021."[47]

Mascot and Fans

  • His fanbase is officially called "Tuner" (調りつ師).
  • Rikka's mascot is a pink bear named "Spanner" (スパナ).
  • When Rikka ends the stream, fans say farewell by saying "otsurikka" (おつりっか).

Relationships

  • Units and groups he is part of are:
    • "RIZnote", along with Kanade Izuru.
    • "MatsuRikka" (まつりっか), along with Natsuiro Matsuri.
    • "Re:NoiSe", along with Natsuiro Matsuri, Yukoku Roberu and Shirakami Fubuki.
    • "Natsumatsurikkai" (ナツまつりっかい), along with Natsuiro Matsuri, Kuroki Natsume and Mayuzumi Kai.
    • "Star☆Sweeper" (スター☆スウィーパー), along with Hanasaki Miyabi and Kageyama Shien.
    • "Shadowgear" (シャドウギア), along with Kageyama Shien.
    • "AsteRoid", along with Astel Leda.
    • "ARoHaRi" (アロハリ), along with Hanasaki Miyabi, Arurandeisu and Yukoku Roberu.
    • "AruRitsu" (アル律), along with Arurandeisu.
    • "TsukiKageRiTem" (月影律天), along with Tsukishita Kaoru, Kageyama Shien and Kishido Temma.
    • "MoRikka", along with Mori Calliope. And their fanbase together is called "DeadTuners".
    • "Utanaide Kudasai" (撃たないでください), along with Naruse Naru and Arurandeisu for the tournament Reignite Cup.


Trivia

  • He shares the same illustrator as Kagami Hayato from Nijisanji.
  • He is the first Holostars member to get a 3D model.
  • His guitar was given to him by YAGOO and only one of them exists in the world.[48]
  • He is left handed.[49]
  • His favourite food is almond chocolate. On the other hand, he avoids eating chili and wasabi. Rather than dislike, he'll break if he eats them. In general, he's not very good with spicy food.[50]
  • In Kageyama Shien's random talk livestream, Rikka imitated Mr. Children's Sakurai-san's voice and how it gradually changes to Shimura Ken-san's voice. Rikka had claimed to have done this three times and no one had ever backed him up, he mentioned that ever since he became a Holostars member and started streaming, it was the first time one of his jokes had not gotten through in which he found as inconceivable.[51]
  • During an Outlast stream, an objective was to search for a priest in the asylum. Priest in Japanese is 神父 which is read shinpu his created a hilarious situation as Rikka repetitively called out, "Where is shinpu?" in which the viewers misheard as simp.[52]
  • While playing Visage, Rikka experienced a few 2GB moments. He went looking for lighter which was unavailable due to plot prevention for a full hour. Referred to a ghost as honey throughout the game. And lastly, while walking down a hallway filled with paranormal activity, he entered a room that clearly had a ghost in it. Instead of leaving, he walked straight to the ghost causing his death.[53][54]
  • During a talk stream on Kanade Izuru's channel, it was known that Rikka had the highest tolerance for alcohol among all holostars members, being capable of downing a bottle of sake on his own.[55]
  • While playing Cooking Simulator, he proceeded to place a gas tank in the dining room, buy a cooking torch, and set the whole place on fire, singing: "We Wish You A Merry Christmas". Sent the room ablaze once more after water sprinklers doused the room. Afterwards, he attempted to burn a seated customer, soaking them on the pretense they were on fire as well, shattering a bottle in the process.[56]
  • At the start of his musical streams, Rikka calls out the names of the viewers who left a comment in the waiting room of the stream.
  • Rikka likes to create songs on the go during his singing streams, often parodying already existing songs.
  • Rikka talked to his viewers regarding the popping up of topics of a 4th generation. To be clear, he is not against a 4th generation but noted that the current balance of the Holostars members is nice and that there's no reason to rush things yet. In his own opinion, if there was to be new members, it could be a different group name instead of Holostars. Even though everyone may have a different opinion, he stated that's how he felt about it since he feels that there's still more growth and opportunities for the current Holostars to do. [57]

External Links

Media

Twitter hashtags

Further readings

hololive logo
Solo Debutants
(hololive 0th Gen)
Tokino Sora (🐻) A-chan and Ankimo · Roboco-san (🤖) · 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
(NePoLaBo)
Yukihana Lamy (☃️) · Momosuzu Nene (🥟) · Shishiro Botan (♌) · Omaru Polka (🎪)
Retired Mano Aloe (👅)
6th Generation
(-holoX-)
La+ Darknesss(🛸💜) · Takane Lui (🥀) · Hakui Koyori (🧪) · Sakamata Chloe · Kazama Iroha (🍃)
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 (💎)
2nd Generation
-Council-
Tsukumo Sana (🪐) · Ceres Fauna (🌿) · Ouro Kronii (⏳) · Nanashi Mumei (🪶) · Hakos Baelz (🎲)
hololive CN logo
(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
MaFia
Kageyama Shien (🟣) · Aragami Oga (🐃)
Retired Tsukishita Kaoru (💅)

References

  1. Rikka's corporate profile. (n.d.). Official hololive Website.
  2. Rikka [レーガンReigan]. (2021, April 23). Rikka's feelings on Kira's graduation 【Holostars / Rikka】 [Video File]. YouTube.
  3. Rikka [Rie's Clips Ch.]. (2020, June 22). All Holostars Members Congratulates Rikka For His 3D Debut!【Holostars】 [Video File]. YouTube.
  4. Rikka [Hololive Resort Subs]. (2021, February 19). [HoloRewind2020 Holostars Generation 1 — Miyabi / Kira / Izuru / Aruran / Rikka] [Video File]. YouTube.
  5. Cover Corporation.. (2019, September 2). 男性VTuber事務所「ホロスターズ」に3名が新規加入!「ホロスターズ1期生」が本格始動!! [Press release].
  6. Cover Corporation.. (2019, October 17). 男性VTuber事務所「ホロスターズ」のシークレット枠「律可」がついにデビュー! [Press release].
  7. Rikka [Rikka ch.律可]. (2019, October 21). だから僕は音楽を辞めた / ヨルシカ 『covered by 律可』 [Video File]. YouTube.
  8. Rikka [Rikka ch.律可]. (2020, March 15). 【新衣装】このシルエットは。。。!?【律可/ #ホロスターズ新衣装 】 [Video File]. YouTube.
  9. Rikka [rikkaroid]. (2020, May 6). YouTubeのチャンネル登録が2万人になりました!!!! いつも支えてくれるみんなのおかげです 本当にありがとう!! [Tweet]. Twitter.
  10. Rikka [rikkaroid]. (2020, June 4). チャンネル登録3万人ありがとうございます!! ✨Thank you 30,000 subscriber✨ みんないつも応援してくれてありがとう! これからも突っ走っていくからよろしくねー!! #律可 [Tweet]. Twitter.
  11. Rikka [Rikka ch.律可]. (2020, June 18). 【記念枠】重大発表&3万人記念枠!!!!!!【律可/ホロスターズ】 [Video File]. YouTube.
  12. Rikka [Rikka ch.律可]. (2020, June 21). 【#律可3D】3Dお披露目ライブ!一緒に盛り上がろう!!【ホロスターズ/律可】 [Video File]. YouTube.
  13. Rikka [rikkaroid]. (2020, September 5). ✨オリジナル曲全国配信のお知らせ✨ 9/8(火)0時〜 『Re:Hello world』が各種音楽プラットフォームにて配信決定しました!! 5日0時〜iTunesで予約できます!! ※今はiTunesしかリンクがありません。今後追加していきます ▼リンク先▼ https://rikka.streamlink.to/ReHelloworld 是非ダウンロードして聴いてね! [Tweet]. Twitter.
  14. Rikka [rikkaroid]. (2020, July 7). 4万人ありがとう!!!!!!!!!!!!!!!!!!!!!!!!ますます頑張るぞーーー!!!!! ✨Thank you 40,000 subscriber✨ [Tweet]. Twitter.
  15. Rikka [Rikka ch.律可]. (2020, July 9). #1【RiTunes Labo】セッション歌枠:ゲスト『アメノセイ』【律可/ホロスターズ 】#りちゅらぼ [Video File]. YouTube.
  16. Rikka [Rikka ch.律可]. (2020, August 4). 【 #ホロスタ夏衣装 】ひんやりとした夏を過ごしたい【律可/ホロスターズ】 [Video File]. YouTube.
  17. Rikka [rikkaroid]. (2020, August 13). チャンネル登録数5万人達成しましたーー✨ ありがとう!!!!! デビューしてから目標のひとつにしてきたからすごく嬉しい🙌!!!!!みんなのおかげです!本当にありがとう✨ 次の目標に向けてこれからもがんばる!!!!! [Tweet]. Twitter.
  18. Rikka [Rikka ch.律可]. (2020, September 3). 【記念枠】メンバーシップ解禁だってばよ!!!【律可/ホロスターズ】 [Video File]. YouTube.)
  19. Rikka [rikkaroid]. (2020, September 20). チャンネル登録者数6万人ありがとうございますー!!!!!! ✨Thank you 60,000 subscriber✨ [Tweet]. Twitter.
  20. Rikka [rikkaroid]. (2020, October 25). チャンネル登録者数7万人ありがとー🥳!!! がんばります!!! ✨Thank you 70,000 subscriber✨ [Tweet]. Twitter.
  21. Rikka [rikkaroid]. (2020, November 28). チャンネル登録者数8万人ありがとー🥳!!!!! ✨Thank you 80k subscriber✨ [Tweet]. Twitter.
  22. holostarstv. (2020, December 25). 【告知3】2021年1月3日、ホロスターズお正月新衣装お披露目リレー配信を行います‼️🐂 また、お正月衣装に関連した新グッズの販売も予定しております✨ こちらも配信時間、リレー順、グッズ詳細等は別途お知らせ致します。 #ホロスタお正月新衣装 #ホロスターズ [Tweet]. Twitter.
  23. Rikka [rikkaroid]. (2020, December 25). チャンネル登録者数9万人ありがとおおおーー! 最高のクリスマスプレゼントだー!!🥳 目標まであと少し!!!!! ✨Thank you 90k subscriber✨ [Tweet]. Twitter.
  24. Rikka [Rikka ch.律可]. (2021, January 3). 【#ホロスタお正月新衣装】鏡餅かと思ったら…【律可/ホロスターズ】 [Video File]. YouTube.
  25. memento_vivi. (2021, January 3). 【お仕事報告】ホロスターズ所属の律可さん(@rikkaroid)のお正月衣装のLive2Dセットアップ担当させていただきました! スチームパンクで和風な衣装とても似合っていてとても素敵! どうぞよろしくお願いいたします。 イラスト担当:冬臣様(@fuyuomi) #ホロスタお正月新衣装 [Tweet]. Twitter.
  26. Rikka [rikkaroid]. (2021, January 17). チャンネル登録10万人ありがとおおおお✨ 見届けてくれたみんなもありがとう!! これからも走り続けていきます🥳!!!! Thank you 100k subscriber [Tweet]. Twitter.
  27. Rikka [Rikka ch.律可]. (2021, March 25). 【#律可10万人記念ライブ​】Over the silver dawn【律可/ホロスターズ】 [Video File]. YouTube.
  28. hololive_En. (2021, May 10). Rikka×Mori Calliope's "spiral tones" Fanwork Collab Event Submit your remix using provided vocal stems! Tweet your remix using #morikka_st ! Submission deadline is June 13, 11:59 PM JST! Up to 30 winners will receive an autographed postcard! Data ▶ [Tweet]. Twitter.
  29. Rikka [Rikka ch.律可]. (2021, May 22). アーカイブ / 律可【オリジナルMV】Pinned Comment: みんなの想い出、これからも大切に前に進む [Comment]. YouTube.
  30. hololivetv. (2021, July 7). 【🎉お知らせ🎉】 「ホロライブアプリ」において、「ホロスターズ」所属タレントのアップデートの実施が決定🙌✨ さらに表情が豊かとなった、彼らを楽しみにお待ちください😄 🔽詳細はこちら🔽 https://prtimes.jp/main/html/rd/p/000000456.000030268.html… #ホロスターズ [Tweet]. Twitter.
  31. rikkaroid (2021, August 23) ⚙️配信告知⚙️ JST 19:20〜新Live2Dお披露目リレー お待たせ!!!きたぞ! 2.0 2.0 2.0 ₍₍ (ง ᐛ )ว ⁾⁾ ▶︎ https://youtu.be/d-wiI7J-gY0 【お披露目リレー枠】ライブ2D2.0!歌も歌うよ!【律可/ホロスターズ】 [Tweet] Retrieved from https://twitter.com/rikkaroid/status/1429715131517177859
  32. rikkaroid (2021, September 6) ⚙️配信告知⚙️ 9/10 JST 19:00 新衣装お披露目!!!!!! まじで冬臣ママが大天才すぎる私服!!!! シルエットから想像が膨らむね 絶対見に来て! ▶︎ https://youtu.be/kb1mMzrj9SU 【新衣装お披露目枠】新しい私服…!!!!!!【律可/ホロスターズ】#りつすた [Tweet] Retrieved from https://twitter.com/rikkaroid/status/1434800329376206859
  33. Rikka [Rikka ch.律可]. (2021, September 6). 【新衣装お披露目枠】新しい私服…!!!!!!【律可/ホロスターズ】#律可新衣装 [Video File]. YouTube.
  34. Liquipedia - Apex Legends (n.d.) Vtuber Most Cooperatitive Tournament [Web Page] Retrieved from https://liquipedia.net/apexlegends/Vtuber_Most_Cooperatitive_Tournament
  35. アキラボ公式チャンネル. (2020, October 9). 【冒頭無料配信】わくわく!VTuberひろば おんらいん Vol.2【トークショー第1部】 [Video File]. YouTube.
  36. SPWN_jp. (2020, October 15). 【チケット発売開始!🎉】 イケメンV祭が、名前も新たにスケールアップ! 11/15(日) #Vメン祭 オンラインにて開催です!🥳 テーマは文化祭!🏫 ここだけのシャッフルユニットライブも!?🎤 8人の男子たちのバラエティ&ライブをお楽しみに♪ ⬇️チケットはこちらから https://virtual.spwn.jp/_events/201115-vmen [Tweet]. Twitter.
  37. holostarstv. (2020, October 26). 【AGFグッズ情報】 11/7~8開催「AGFあおぞらマルシェ」ホロスターズブースにて販売を行うグッズラインナップをご紹介致します✨ 各種AGF限定グッズ販売に加えホロスターズ1周年記念グッズの一部再販を行います! なお、こちらのグッズは事後通販も予定しております。 #AGF_あおぞら #ホロスターズ [Tweet]. Twitter.
  38. holostarstv. (2020, October 28). 【AGFブース情報】 11/7~8開催「AGFあおぞらマルシェ」ホロスターズブースにて、VTuber体験アトラクションを展開致します✨ ぜひ、ブースNo.14「ホロスターズブース」へ遊びに来て下さい! 各アトラクションの出演者、出演タイムスケジュールは後日公開致します。 #AGF_あおぞら #ホロスターズ [Tweet]. Twitter.
  39. VTuber事務所「ホロスターズ」、「アニメイトガールズフェスティバルあおぞらマルシェ」ブース情報、グッズのラインナップなど詳細を発表! [News]. (2020, November 5). PRTimes.
  40. Rikka [rikkaroid]. (2021, January 23). ✨お知らせ✨ 2/27(土)に開催される TUBEOUT vol.5にAZKiさんと出演します!! どんな感じになるか楽しみ!!! よろしくお願いします🥳 [Tweet]. Twitter.
  41. hololivetv. (2021, January 28). 【🎉お知らせ🎉】 男性VTuberグループ「#ホロスターズ」のメンバーと対面で話せるオンラインイベント「ネットおしゃべりフェス on バレンタイン ホロスターズ」が2月14日(日)開催決定 本日17時よりチケット販売開始✨ 🔽詳細はこちら🔽 https://prtimes.jp/main/html/rd/p/000000359.000030268.html… #しゃべフェス [Tweet]. Twitter.
  42. holostarstv. (2021, January 28). [1 Day To Go!📢 HOLOSTARS' 2nd anniversary event "俺たちの決起集会2021" will take place tomorrow Have you got your streaming ticket yet? Make sure you do, so we can celebrate together!🥳 🔽Tickets🔽 https://virtual.spwn.jp/events/21062502-engholostars2ndanni… #ホロスタ2周年] [Tweet]. Twitter.
  43. ReigniteJP. (2021, June 28). 【🔥REIGNITE CUP🏆】 #RIGCUP 出場チーム発表🎉 タグをつけてチームを応援しよう😁 🔥すーぱーまん #すーぱーまんWIN 🔥撃たないでください #撃たないでくださいWIN 🔥絶・無双コブラ部隊 #絶・無双コブラ部隊WIN 🔥GOD_M_FIELD #GOD_M_FIELDWIN (1/5) [Tweet]. Twitter.
  44. Rikka [Rikka ch.律可]. (2021, July 26). 律可 - YouTube Music Weekend Live(Sing unprocessed) [Video File]. YouTube.
  45. hololivetv. (2021, July 31). 【🐻イベント情報⚙️】 8月29日(日)に行われる「TUBEOUT!FES -2021 SUMMER-」に「#ときのそら」「#律可」の出演が決定いたしました🎉 超早割チケットは8月1日 (日)23:59までなのでお見逃しなく👀 どんなパフォーマンスが見れるのか、乞うご期待です✨ 🔽URL🔽 https://virtual.spwn.jp/events/210829-TOFES [Tweet]. Twitter.
  46. Liquipedia - Apex Legends (n.d.) Vtuber Most Cooperatitive Tournament #3 [Web Page] Retrieved from https://liquipedia.net/apexlegends/Vtuber_Most_Cooperatitive_Tournament_3
  47. holostars [holostarstv]. (2021, October 15). 【🌟AGF2021出展新情報①🌟】 11月6日(土)~7日(日)開催の 「AGF(アニメイトガールズフェスティバル)2021」 #ホロスターズ からの出展情報をお届けします🥳 ホロスターズは【White AREA W-10】にて‼️ [Tweet]. Twitter.
  48. Rikka [Rikka ch.律可]. (2019, October 20). 【初配信】ホロロイドの律可初配信!【ホロスターズ】 [Video File]. YouTube.
  49. Rikka [Rikka ch.律可]. (2019, October 20). 【初配信】ホロロイドの律可初配信!【ホロスターズ】 [Video File]. YouTube.
  50. Rikka [Rikka ch.律可]. (2019, October 20). 【初配信】ホロロイドの律可初配信!【ホロスターズ】 [Video File]. YouTube.
  51. Kageyama, S. [Shien Ch.影山シエン]. (2020, June 12). 【乱雑】金曜日の雑談!途中乱入あり・・・!?【ホロスターズ/影山シエン】 [Video File]. YouTube.
  52. Rikka [Rikka ch.律可]. (2020, October 28). 【OUTLAST 】Horror!game!PANIK!取材しに行きます探してください。【律可/ホロスターズ】 [Video File]. YouTube.
  53. Rikka [Rikka ch.律可]. (2020, November 20). 【VISAGE】クリア耐久!Durable until cleared!Horror is funny?ホロロイド式ホラゲ【律可/ホロスターズ】#りつすた [Video File]. YouTube.
  54. Rikka [Rikka ch.律可]. (2020, November 20). 【VISAGE】クリア耐久!Durable until cleared!Horror is funny?ホロロイド式ホラゲ【律可/ホロスターズ】#りつすた [Video File]. YouTube.
  55. Kanade I. [Izuru Ch. 奏手イヅル]. (2020, June 10). 【晩酌(🍼×4)雑談】独り晩酌会場【奏手イヅル】 [Video File]. YouTube.
  56. Rikka [Rikka ch.律可]. (2020, December 24). 【Cooking Simulator】残すことは許さない!~クリスマスイブ編~【律可/ホロスターズ】#りつすた [Video File]. YouTube.)
  57. Rikka ch.律可 (2021 May 22)【記念雑談枠】オリ曲アーカイブ(archive)がアップされたぞ!お知らせもあり!【律可/ホロスターズ】 [Video File] Retrieved from https://www.youtube.com/watch?v=VvUO8j1eMtI
✍️Expansion needed!
This article needs expansion with more information on Rikka, including a more in-depth description on his personality,.

You can help by adding more information in the "Personality". (April 2021)

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