Big News from Hoshimachi Suisei! Launches "Studio STELLAR," Opens Fanc

Virtual idol Hoshimachi Suisei made a major announcement on her birthday, March 22, 2026.

She revealed the launch of her own personal agency, "Studio STELLAR," along with the opening of an official website and new social media accounts.

At the same time, her official fan club, "Hoshiyomi," has also been launched. Members can look forward to perks such as advance ticket lotteries, exclusive radio programs, digital newsletters, and more.

In addition, a four-city arena tour, HOSHIMACHI SUISEI ARENA TOUR 2026 Once Upon a Stellar, has been announced, along with a second concert for Midnight Grand Orchestra, a music project with TAKU INOUE, titled Project: Allegro.

An official online shop, "HOSHIMACHI SUISEI ONLINE STORE," has also opened.

Read on for our translation of the official announcement below.

Plus, shop our hololive collection here!

Hoshimachi Suisei Shares Major News on Her Birthday!

Virtual idol Hoshimachi Suisei held a livestream on her YouTube channel, now boasting 2.85 million subscribers, at 8:00 PM on Sunday, March 22, 2026, which also marked her birthday, where she made a major announcement about her future activities.

During the broadcast, she revealed the establishment of her own personal agency, "Studio STELLAR." The official website and various social media accounts for "Studio STELLAR" were launched later that same day at 9:00 PM.

With even more exciting developments expected ahead, be sure to keep an eye on Hoshimachi Suisei’s future activities.

Arena Tour and Live Show Announced!

The following new details were also announced:

HOSHIMACHI SUISEI ARENA TOUR 2026 Once Upon a Stellar, her largest arena tour to date, will take place across four cities: Tokyo, Nagoya, Osaka, and Fukuoka.
Midnight Grand Orchestra, a music project by Hoshimachi Suisei and TAKU INOUE, will hold its second live concert, Project: Allegro.

Fanclub ticket pre-orders for both concerts have now begun.

HOSHIMACHI SUISEI ARENA TOUR 2026 Once Upon a Stellar Performance Info

■Dates & Venues
September 8, 2026 (Tue)
open 17:30 / start 19:00
Venue: K Arena Yokohama (Kanagawa Prefecture)

September 9, 2026 (Wednesday)
open 17:30 / start 19:00
Venue: K Arena Yokohama (Kanagawa Prefecture)

October 21, 2026 (Wednesday)
open 18:00 / start 19:00
Venue: GLION ARENA KOBE (Hyogo Prefecture)

November 7, 2026 (Saturday)
open 17:00 / start 18:00
Venue: IG Arena (Aichi Prefecture)

November 12, 2026 (Thu)
open 18:00 / start 19:00
Venue: Marine Messe Fukuoka Hall A (Fukuoka Prefecture)

■Ticket Availability
Official fanclub "Hoshiyomi" members-only pre-sale
March 22, 2026 (Sun) 21:00 ~ April 6, 2026 (Mon) 23:59

Midnight Grand Orchestra 2nd LIVE「Project: Allegro Performance Info

■Dates & Venues
February 11, 2027 (Thu/Holiday)
open 15:30 / start 17:00
Venue: Makuhari Messe International Exhibition Hall 4-6 (Chiba Prefecture)

■Ticket Availability
Official fanclub "Hoshiyomi" members-only pre-sale
March 22, 2026 (Sun) 21:00 ~ April 6, 2026 (Mon) 23:59

Fanclub "Hoshiyomi" Launches!

An official fanclub, "Hoshiyomi," was also launched at the same time. The name "Hoshiyomi" comes from the term long used and cherished by her Japanese fans.

The fanclub offers a range of exclusive content, including advance ticket lotteries, members-only radio programs, and digital newsletters.

There are two membership plans available: a monthly plan (990 yen per month, tax included) and an annual premium plan (13,200 yen per year, tax included).

The annual premium plan also includes additional perks such as a membership card with your unique member number, a birthday card sent to you on your special day, and renewal bonuses.

★Hoshimachi Suisei Official Fanclub: Hoshiyomi

Fanclub Info

■Plans
Monthly: 990 yen (tax included)
Annual Premium: 13,200 yen (tax included)

■Payment Methods
Monthly: Credit card, various phone carrier payments, PayPay
Annual Premium: Credit card, convenience store payment, Bank transfer (Pay-easy)

■Devices
Smartphone, PC

■FC Content
Ticket, Goods, Radio, Q&A, Magazine, Black Hole, Digital Stamp, Birthday Mail, My Page, etc.

★Details are here

Official Online Store Also Open

Her official online shop, "HOSHIMACHI SUISEI ONLINE STORE," has opened. Starting at 9:00 PM, the online store has also begun selling 8th anniversary and 2026 birthday commemorative goods, as well as T-shirts exclusively for fan club members.

★HOSHIMACHI SUISEI ONLINE STORE (Official online shop selling Hoshimachi Suisei official merchandise and fanclub member exclusive merch)