Studio STELLAR is the personal agency of Hoshimachi Suisei, launched in March 2026 to manage her solo artist activities in collaboration with COVER Corporation and NERD Inc. She continues as a hololive production talent, and the agency is tied to her upcoming joint live, festival appearances, and arena tour.
Hoshimachi Suisei announced the launch of Studio STELLAR during an acoustic live stream on March 22, 2026, which also marked her 8th anniversary and birthday. The agency was set up to manage her solo artist activities, including music production, streaming, merchandise sales, and fan club operations. It operates in collaboration with COVER Corporation, the operator of hololive production, and NERD Inc., a newly established independent artist agency that also manages TAKU INOUE and the group Midnight Grand Orchestra. Suisei remains a hololive production talent for group and collaborative activities.
The launch came with a new artist photo and a logo featuring a crown-like symbol, as well as the announcement of a 2026 arena tour titled "Once upon a Stellar" across four cities: Yokohama, Kobe, Nagoya, and Fukuoka. Midnight Grand Orchestra, which is part of NERD Inc., resumed activities and is set to hold a second solo live concert, "Project:Allegro," in February 2027.
Studio STELLAR has been active in booking performances for Suisei. She is set to perform at WONDERLIVET 2026, a South Korean music festival, on November 20, with Midnight Grand Orchestra performing the next day on November 21. She is also scheduled for a joint live with tuki. titled "Hoshifuru Bansankai" on December 20 at K-Arena Yokohama. The two artists became close after posting karaoke videos in 2025, and tuki. provided the song "Suisei" to Hoshimachi Suisei in December 2025.
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tuki. and Hoshimachi Suisei will hold a joint live titled 'Hoshifuru Bansankai' on December 20 at K-Arena Yokohama. The key visual was drawn by wataboku. Ticket advance reception begins August 30. The two became close after posting karaoke videos in 2025, and tuki. later provided the song 'Suisei' to Hoshimachi Suisei in December 2025. Hoshimachi Suisei established her personal agency Studio STELLAR in March 2026.
Hoshimachi Suisei, affiliated with hololive and Studio STELLAR, will perform at the South Korean music festival WONDERLIVET 2026 across two acts. She plays on November 20, and her project Midnight Grand Orchestra takes the stage on November 21. The festival runs November 20 to 22 at KINTEX HALL 7·8·9·10.
Virtual idol Hoshimachi Suisei announced the launch of her personal agency, Studio STELLAR, during an acoustic live stream on March 22, marking her 8th anniversary and birthday. The new agency will manage her solo artist activities, including music production, streaming, merchandise sales, and fan club operations, in collaboration with hololive production operator COVER Corporation and the newly established NERD Inc. NERD Inc., which also manages TAKU INOUE and the group Midnight Grand Orchestra, describes itself as an independent artist agency for extraordinary talents. Suisei will continue group and collaborative activities as a hololive production talent. She also revealed a new artist photo and a logo featuring a crown-like symbol. Alongside the agency launch, Suisei announced a 2026 arena tour titled "Once upon a Stellar" across four cities: Yokohama, Kobe, Nagoya, and Fukuoka. Midnight Grand Orchestra will resume activities and hold a second solo live concert, "Project:Allegro," in February 2027.