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Tatsuhiko Hiroki (竜彦広木) is a female English-language Virtual YouTuber who debuted in 2022. She was affiliated with the agency OshiLink between April 2024 and March 2025.[1][2]. She streams simultaneously on both Twitch and Youtube. Her fans are called Himaru.
Personality[]
Hiroki is energetic, impatient (at games) and occasionally acts like a kusogaki (brat). She also has a tendency to give up on things when things aren't going well and will become very petty if things don't go her way. She's also very forgetful, hence the amnesiac lore.
Appearance[]
Hiroki has two versions of herself, dubbed as "Reality" and "Dream" version. Both models have the main colour theme of Blue, White and Grey. She also retains her twintails in both versions, although it is hard to discern on the Reality version.
Reality (現実) Version[]
Her Reality version is her 2.0 Model that debuted on 2024/04/14. Her hair looks slightly shorter and has a greener hue. Many have noted that her hairstyle reminds them of Sucrose from Genshin Impact. Her hair retains the twin tails, but it is difficult to see as it is tucked under her beret. Hiroki's eyes are more blue with green tint on this model. She has a blue beret with a small white Himaru (old design) on the left and a cross on the right. She wears a light blue long sleeved blouse with a black ribbon and checkered skirt that has a chain with Himaru (old design) charms on it. She also wears a gold rimmed round glasses and a white cape which can be taken off. Her socks are asymmetrical and she has a thigh pouch which contains some secret potions. Her shoes are winter boots with soft fluffy rims. Hiroki uses this model for most of her streams.
The model was designed by Hiroki, herself. Art was drawn by trustyskittles and Rig done by VixenVermilion.
Dream (夢) Version[]
Dream version is Hiroki's 1.0 Model that debuted on 2023/01/03. Her blue hair is tied up in twin tails with wavy ends. Her eyes are a mixture of blue and purple and she has small canine teeth on this model. She wears a black top with a white tie decorated with dark grey crosses at the bottom. The skirt is also black with white buttons at the front. There are white belts strapped around her chest and mid torso, two pouches and a test tube of sorts. Over these, Hiroki wears an open jacket where the inner part is blue while the outside is mainly white with decorations in black. Her socks are more asymmetric in this model, with one sock being of crew height while the other is thigh high. She also has the thigh pouch on her leg with the shorter sock. Her shoes are a pair of black sneakers with white vamp. Hiroki uses this model for Karaoke streams or Events.
The model was created by Hikari Akiduki. Hiroki mentioned that she bought this premade model within a few hours of viewing it.
History[]
Background[]
In August 2022, Hiroki tried streaming on Youtube with her own self-made model, but only her friends were there and slowly, she lost the motivation to stream. It was not until September 2022, she created an account on Twitch to support her friends, and felt the spark to stream again.
Hiroki has had multiple debuts for various reasons, but she has mentioned that she mainly only remembers her Twitch Affiliate date and 2.0 Model Debut. It is unknown how many debuts there were and the reasons.
2022[]
In December, Hiroki reached Twitch Affiliate status.[3]
2024[]
In January, she released her first original song titled キーホールアリア, produced by another_shiro, on 2024/01/26. The song is also available on Apple music store and Spotify. The MV has reached 1,000 views and listened 4,000+ times on Spotify.
On 14 April, she joined the VTuber agency OshiLink as part of the self-named group Comets, along with WildSpice (joined in March 2024) and Eris Lefaire (who joined in May 2024).[4]
On 1 September, she reached 1,000 YouTube subscribers.
On 25 November, her fan mascot received a revamp from looking like a water droplet (her fans say slime) to a white fluffy bear.[5]
On 9 December, her Youtube Membership opened.
2025[]
On 10 March, Hiroki departed from OshiLink, due to the agency's indefinite hiatus.[1] She has expressed that it was difficult for her while she was part of the agency due to the lack of basic support.[2] She mentions that she will not be graduating, but simply reverting to before joining the agency as an independent VTuber.
Stream content[]
Hiroki mainly streams Visual Novels, collaborative games, and anything visually pleasing to her. She likes to do Karaoke, but tries not to do it often because she runs out of songs quickly since she can't learn songs as fast as before.
She likes to mention that her streams are PG13 and family friendly, but her viewers mentions otherwise since Hiroki swears a lot during gaming sessions.
Relationships[]
Comets[]
Comets is the group name for the adopted talents in OshiLink. This includes WildSpice, Hiroki and Eris. They have done cooperative games such as Chained Together and Phasmophobia. They have also done a Christmas cover of Jingle Bell Rock as a trio.[6] Spice and Hiroki have done a duet for Hope is the thing with feathers, a song from the popular Hoyoverse game - Honkai Star Rail.
Mascot and fans[]
Hiroki refers to her fans as Himaru (ヒ丸). Hi(ヒ) taken from her name Hiroki, Maru (丸) which translates to circle, thus making it Hiroki's Circle of fans. Himarus used to be represented by a water droplet (her fans call it slime) until the revamp in 2024, where Hiroki reveals Himaru's 3.0 design as a white fluffy bear.[5]
Trivia[]
Likes and dislikes[]
- Hiroki mentioned multiple times that she thinks twin tails is the best and cutest hairstyle.
- Despite having mostly blue as her main colour scheme, Hiroki's favourite colour is Orange. She chides her Himarus when they forget this fact.
- Hiroki vehemently dislike pineapples on pizza and often tells her viewers to relearn their tastebuds from their mother's womb.
Miscellaneous[]
- Hiroki's greeting is "Hoikigenyo! Good morning, Good Afternoon, Good Evening, whichever timezone you are in! I hope you guys have eaten~" (She combined her most used sound "Hoi" with "Gokigenyou" (hello/goodbye in Japanese) and she has a tendency to not eat, so she makes sure that at least Himarus ate.)
- Although she has two adorable models, Hiroki aspires to be a cool Vtuber.
- Hiroki often speaks in broken Japanese and wants to get better, but has no motivation to learn.
- Hiroki is a streamer from Singapore, and knows very little about her own country.
- Hiroki has two cats named Kuro (black, male, older) and Yuuga (brown, female, younger) whom she has a love hate relationship with.
- Hiroki also loves to do art on top of singing. She rates her skills as low and is a slow artist.
- Hiroki used to stream for three years with an integrated graphics card.
- She once laughed so hard that she sweats through her skirt, leaving a pool of sweat on a public train seat.
- Her Original song lyrics, キーホールアリア(Keyhole Aria), was written by herself and produced by another_shiro.
- Hiroki wears glasses in real life.
External links[]
Media[]
- Hiroki Ch. 竜彦広木 - YouTube channel
- hi2chan - Twitch channel
- hi2chan - Twitter/X account
- hi2chan.bsky.social - Bluesky account
Statistics[]
- hi2chan - TwitchTracker stats
- hi2chan - SullyGnome Twitch stats
- hi2chan - Social Blade Twitch stats
- Hiroki Ch. 竜彦広木 - Social Blade YouTube stats
- Hiroki Ch. 竜彦広木 - Playboard YouTube stats
References[]
- ↑ 1.0 1.1 OshiLink Announcement on indefinite hiatus
- ↑ 2.0 2.1 Hiroki's announcement on leaving the agency
- ↑ Mentioned on her Twitch About page.
- ↑ Tatsuhiko, H. [Tatsuhiko Hiroki Ch. 竜彦広木]. (2024, April 14). 【VTUBER REDEBUT STREAM] The Aria of @oshilink [Video]. YouTube.
- ↑ 5.0 5.1 Announcing the new mascot design
- ↑ Comet's Jingle Bell Rock Cover