株式会社mikai
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Find your way into 株式会社mikai
Japanese entertainment company operating a VTuber business and studio rental service, aiming to produce content for global audiences in the metaverse era. Based in Japan and founded in 2016.
Also known as mikai · mikai inc.
Founders & leadership
Investors · 7
Also in the syndicate · 6
Company profile
researched Aug 2026株式会社mikai (mikai inc.) is a Tokyo-based entertainment company that operates "Re:AcT", a virtual talent (VTuber) agency centred on female talents with a music-driven focus, alongside a studio rental business. The company handles the recruitment, training, support and management of its talents, who broadcast from individual YouTube channels, form internal units and take part in agency-produced events, EP and album releases, cover-song videos and one-man live shows. Its roster has included 花鋏キョウ and 獅子神レオナ, both cited with more than 320,000 YouTube subscribers, and the group has published over 700 cover-song ("歌ってみた") videos.
Beyond the core agency, mikai runs "Re:AcT Gaming" (RAG), a project specialised in esports and gaming aimed at female streamers, launched in March 2023, and rents out its own VTuber studio equipped with motion capture. The corporate site presents the business lines as VTuber operations and studio rental, and the company states a goal of exporting Japanese content internationally and leading entertainment in the metaverse era. It is headquartered at Akihabara South East Building 2F, 2-17-2 Iwamotocho, Chiyoda-ku, Tokyo, and its corporate number is 7011001112603.
Business model
mikai monetises virtual talents it manages under the Re:AcT and Re:AcT Gaming brands through YouTube channel activity, original music and EP/album releases, online and offline live events, merchandise and voice products, and collaborations with outside brands and venues. A secondary line rents out the company's in-house VTuber studio, which is fitted with motion capture equipment, to external users. Events are planned, produced and executed in-house.
Traction
Re:AcT talents include 獅子神レオナ with over 330,000 YouTube subscribers and 花鋏キョウ with over 320,000, and the agency has published more than 700 cover-song videos. The roster grew from 14 talents in 2019-2021 to more than 20 members reported for 2026. A two-day live in October 2025 was held at a 500-capacity venue. Company size is reported at about 18-20 people.
Latest developments
In 2025 Re:AcT added members including the return of 白音ゆきの, the joining of 杏夜くもり and the debut of レイラ・サマ, forming the "ポーラーナイト" unit, with Etoile members debuting in June; the company reports kototo!'s debut and 彩雲のの's return in 2026, taking the roster past 20 members. A two-day live, "Crossing Voices", featuring 獅子神レオナ, 花鋏キョウ and 稀羽すう was held on 4-5 October 2025 at SUPERNOVA KAWASAKI, and an eighth-anniversary offline event was scheduled for 12 July. On 12 November 2025 three new VTubers debuted from Re:AcT Gaming.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
mikai is positioned as an independent Japanese VTuber agency emphasising music, and since November 2024 operates as a subsidiary of live-streaming platform operator 17LIVE, which is expected to provide additional distribution channels. Startup databases classify it in entertainment, content, VTuber, music, gaming/esports and XR/VR/metaverse categories serving both B2C and B2B.
A music-centred approach to virtual talent management, with in-house planning, production and promotion of live events, an owned motion-capture studio used both for production and as a rental service, and a dedicated esports/gaming sub-brand for female streamers.
Technology
The company operates its own VTuber studio equipped with motion capture for talent production and for rental. It has staged live shows combining AR with a live band, and distributes virtual live content including free 3D lives, with investor cluster stating the intent to accelerate VR music lives and virtual events on the cluster platform using Re:AcT talents.
Go-to-market
Talent reach is built primarily through YouTube channels, cover-song and original-music playlists, free 3D live streams and free concert broadcasts used to attract new fans, supplemented by paid one-man and joint lives, merchandise and voice releases, and auditions to add new talents. Collaborations extend reach into other categories, including tie-ups with 極楽湯・RAKU SPA, ハナマルキ, &AND HOSTEL, and joint Minecraft activity with other virtual talent groups such as エイレーン学園 and あおぎり高校.
Fans and viewers of VTubers, anime-adjacent (二次元) content, subculture and music, reached mainly through streaming platforms, live events and merchandise; the studio rental line serves external creators and companies needing motion-capture-equipped VTuber production facilities.
Geography
Headquartered in Chiyoda-ku, Tokyo, Japan, with activity concentrated in the domestic market, including a two-day live at the 500-capacity SUPERNOVA KAWASAKI venue. The company states an ambition to deliver Japanese content to global audiences.
History
The company was established on 31 August 2016. Its virtual talent operation initially ran under the name "KAGAYAKI STARS", which in December 2018 was renamed and reorganised into the comprehensive virtual talent agency "Re:AcT"; merchandise for existing talents went on sale from 5 December 2018. In May 2019 mikai raised roughly 120 million yen through a third-party allotment of shares to strengthen its music × virtual talent business. "Re:AcT Gaming" launched in March 2023 as a gaming-focused project with a concurrent audition for new members. In November 2024 the company transferred a majority of its issued shares to 17LIVE and became a subsidiary of the live-streaming platform operator, with the stated aim of amplifying distribution channels through 17LIVE's platform.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 9
launches, deals, and filingsRe:AcT Gaming debuted three new VTubers on X beginning 12 November 2025.
獅子神レオナ, 花鋏キョウ and 稀羽すう performed a two-day live on 4-5 October 2025 at the 500-capacity SUPERNOVA KAWASAKI, including a free concert distributed online.
A collaboration stay event featuring Re:AcT second-generation talents was held with &AND HOSTEL.
mikai transferred a majority of its issued shares to 17LIVE and became its subsidiary, with plans to use 17LIVE's live-streaming platform to expand distribution channels.
A "music × gaming" themed event, RGC Apex Legends with ハナマルキ, was held on 31 March 2024.
Female VTuber agency Re:AcT started the new project Re:AcT Gaming, focused on esports and gaming, and simultaneously opened auditions for new members.
Re:AcT ran a collaboration with hot-spring operator 極楽湯・RAKU SPA, with a "秘湯で奏でる極楽ライブ" event from 13 April.
mikai carried out a third-party allotment of shares raising about 120 million yen to strengthen its music × virtual talent business. Investors were W ventures投資事業有限責任組合, gumi ventures3号投資事業有限責任組合, クラスター株式会社, 安野貴博, 堅山耀太郎 and 伊藤将雄.
The agency changed its name from KAGAYAKI STARS to the comprehensive virtual talent agency Re:AcT, with merchandise for existing talents going on sale from 5 December.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- 株式会社mikaimikai.co.jp · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does 株式会社mikai do?
- Japanese entertainment company running the VTuber agency Re:AcT and a motion-capture studio rental service; a 17LIVE subsidiary since 2024.
- Who are 株式会社mikai's investors?
- 株式会社mikai's investors include W Inc..