Rikka

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

Personality
Rikka is a Holoroid, an android 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 streaming, even though sometimes he suddenly bugs out and becomes awkward. He 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.

Background
His Twitter account was created in 18 September 18 2019; 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.

2020
On 15 March, he revealed his White Day outfit.

On 18 June, it was announced on Rikka's stream that he will get his 3D model. His 3D stream was performed on 21 June. 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.

On 4 August, he revealed his summer outfit.

On 3 September, he opened his membership feature.

Events
On 9 October, 2020, 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. 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, 2020, it was announced that Rikka would be part of the event ''[https://virtual.spwn.jp/_events/201115-vmen V Men Sai! 2020]'' (Vメン祭！2020), along with MonsterZ MATE, Tenkai Tukasa, Nanase Taku, Syukusei Batumaru and Himashokudo.

Fans

 * His fanbase is officially called "Tuner" (調りつ師).
 * Rikka ends the stream, fans say farewell by saying "otsurikka" (おつりっか).

Trivia

 * 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.
 * "ARoHaRi" (アロハリ), along with Hanasaki Miyabi, Arurandeisu, Yukoku Roberu.
 * "AruRi" (アル律), along with Arurandeisu.
 * He shares the same illustrator as Kagami Hayato from Nijisanji.
 * He is the first Holostars member to get a 3D model.
 * Rikka hosts a series called "RiTunes Labo", where he invites guests, such as fellow VTubers, 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.