Japan
Hoshimachi Suisei is a virtual idol affiliated with Hololive Production (Cover Corp), operating under the persona of a comet-themed character whose name literally translates to 'Comet of the Star…
Total Followers +0.3%
3.3M
Across YouTube, TikTok
Primary Platform
YouTube
2.9M followers · 87% of audience
Engagement
0.1%
vs. 1.5% category median
Sponsorship Tier
Macro
Est. — / IG post
On her 8th VTuber anniversary (March 22), Suisei established Studio STELLAR, transferring her solo music, streaming, merch, and fan club from Hololive Production to the new entity while remaining a Hololive talent. Simultaneously she announced her largest-ever tour, 'Once Upon a Stellar,' spanning Yokohama, Kobe, Nagoya, and Fukuoka (Sep–Nov 2026).
Suisei's likeness was added to Fortnite's Item Shop on March 12, 2026, making her one of the first Hololive VTubers to receive an official Epic Games cosmetic collaboration.
The February 21 show drew major international attention online, with clips spreading widely across social media and prompting mainstream commentary about VTuber live productions.
Suisei was recognized in the October 2025 issue of Forbes Japan among its annual under-30 honorees, a rare mainstream business-press acknowledgment for a VTuber.
Released January 22, 2025, the album became her highest-charting release to date, also reaching #2 on Oricon's combined chart, and was supported by the viral single 'BIBBIDIBA.'
| Window | YouTube | TikTok | Combined | |
|---|---|---|---|---|
| Last 7 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
| Last 30 days | +10K +0.4% | +0 +0.0% | +0 +0.0% | +10K |
| Last 90 days | +20K +0.7% | +0 +0.0% | +0 +0.0% | +20K |
| Last 365 days | +20K +0.7% | +0 +0.0% | +0 +0.0% | +20K |
Daily follower snapshots from CreatorDB's longitudinal index.
Hoshimachi Suisei is a virtual idol affiliated with Hololive Production (Cover Corp), operating under the persona of a comet-themed character whose name literally translates to 'Comet of the Star Town.' Before joining Hololive around 2019, she built her following as an independent VTuber, distinguishing herself early by emphasizing music and idol performance over conventional gaming content — an unusual positioning in a space dominated by Let's Play streams. That music-first identity has remained central: her YouTube catalog is anchored by original releases such as 'Stellar Stellar,' 'Prima Donna,' and 'Shoot at the Moon,' alongside polished covers, making her one of the more vocally serious talents within the Hololive roster.
Her audience skews young and male, concentrated heavily in Japan, which reflects the domestic fanbase typical of mid-to-top-tier Hololive talents. Collaborative projects like Hoshimatic Project — a cross-talent music initiative featuring fellow members Tokoyami Towa and Oozora Subaru — demonstrate her appetite for structured creative output beyond solo streams. TikTok engagement runs notably high relative to her subscriber count there, suggesting a tightly invested international spillover audience. With a rate card positioning her firmly in the macro tier, Suisei is well-suited for music platform partnerships, anime and entertainment tie-ins, and Japanese consumer brands targeting young adult fandoms.
HoshimachiSuisei reaches an audience concentrated in Japan primarily through YouTube, and is best activated via long-form YouTube integrations, TikTok branded content. As a music creator they map naturally to brands targeting that space. Engagement on YouTube runs around 0.1%, pointing to an audience suited to category-relevant, mid-funnel brand campaigns rather than pure-reach buys.
Benchmark estimates for a creator at HoshimachiSuisei's tier (Macro, 3.3M combined followers, Japan). Pulled from CreatorDB's category benchmarks.
The CreatorDB Agency runs end-to-end influencer campaigns globally — shortlisting, outreach, contracting, and performance reporting. Talk to our team about building a campaign around creators in this niche.
Suisei's YouTube bio specifically introduces her as a バーチャルアイドル (virtual idol), a deliberate distinction from the broader VTuber label. Her content centers on original music releases, live musical performances, and a polished visual brand — all pillars of the Japanese idol tradition — delivered through a virtual avatar rather than a physical stage presence.
"星街" (Hoshimachi) reads as "star town" or "star street," while "すいせい" (Suisei) means comet in Japanese. The comet theme runs throughout her identity — she uses a comet emoji ☄ as her signature symbol and has an original song titled "彗星" (Comet) named directly after herself.
Yes, Suisei originally debuted as an independent VTuber in early 2018, managing her own channel and content before being brought under Hololive Production. Her journey from self-managed indie creator to one of Hololive's most prominent musical voices is a well-known part of her backstory among fans.
Suisei is classified under Hololive 0th Generation, alongside members like Tokino Sora and Roboco-san. She was originally signed under INNK Music, a Cover Corp sub-label focused on music acts, before being reclassified directly under the main Hololive branch.
Hoshimatic Project is a music and performance unit launched by Suisei featuring collaborative work with fellow Hololive members. Their debut release "BEEP BEEP" was accompanied by a dance relay challenge involving Tokoyami Towa and Oozora Subaru, blending original music with coordinated choreography across members.
Suisei is widely regarded as one of the strongest Tetris players in the entire VTuber scene, and her competitive Tetris streams have become as much a part of her identity as her singing. She has taken part in high-level competitive Tetris events, often surprising viewers who first discovered her purely through her music.
Yes, Suisei released a 歌ってみた (cover) version of "うっせぇわ", the massive viral hit originally by Ado. The cover drew significant attention to her vocal power and became one of her most-discussed cover tracks, exposing her voice to listeners well beyond the regular Hololive audience.
"しらないこと研究会" — abbreviated as しらけん — translates roughly to "Research Society for Things I Don't Know" and is a recurring content segment on Suisei's channel. It sits alongside her music uploads and gaming streams as part of her broader variety content output.
不知火建設 is a fan-named Minecraft collaborative group within Hololive, and it features as a regular hashtag in Suisei's content, indicating her participation in these large-scale community Minecraft builds. Cross-member Minecraft construction projects like this are a long-running tradition inside the Hololive ecosystem.
Hoshimachi Suisei's YouTube channel has grown to nearly three million subscribers, placing her firmly in the Macro creator tier. Her audience is overwhelmingly concentrated in Japan, though she draws consistent viewership from English-speaking markets as well.
Stats (followers, engagement, audience demographics, growth) are pulled live from the CreatorDB API covering YouTube, Instagram and TikTok. Bio and FAQ content is AI-assisted; news items are sourced from cited public press at generation time. Read the full methodology →
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