Main article: BMSG
The following is a list of all BMSG acts and its members.
As of January 2026 BMSG has had a total of 56 members, currently 55, of which 32 are artists and 23 are trainees.
Acts[]
| Name | Join/Formation Date | BMSG Debut Date | Notes |
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September 18, 2020 | November 18, 2020 | President, Producer, CEO |
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September 18, 2020 | October 16, 2020 | First Artist |
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August 13, 2021 | November 3, 2021 | THE FIRST Winners |
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August 13, 2021 | January 5, 2022 | THE FIRST Finalist |
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August 24, 2021 | January 12, 2022 | THE FIRST Top 30 Former BMSG Trainees |
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October 30, 2022 | May 17, 2023 | MISSIONx2 Winners |
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August 13, 2021 | October 6, 2023 | THE FIRST Finalist Former BMSG Trainees |
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January 11, 2025 | April 2, 2025 | No No Girls Winners Under B-RAVE |
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September 19, 2025 | January 21, 2026 | THE LAST PIECE Winners |
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January 1, 2026 | January 11, 2026 | No No Girls Finalist Under B-RAVE |
| BMSG Trainees (BMSG トレーニー) |
August 13, 2021 | N/A | |
Members by Tenure[]
This is a list of BMSG members by tenure. All members who are currently in the company are in BOLD. Joining dates for some of the trainees are estimates based on available information.
| Name | Join Date | Departure Date | Tenure |
|---|---|---|---|
| SKY-HI | September 18, 2020 | Present | 5 Years, 3 Months, 24 Days |
| Novel Core | September 18, 2020 | Present | 5 Years, 3 Months, 24 Days |
| RUI | July 23, 2021 | Present | 4 Years, 5 Months, 19 Days |
| JUNON | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| LEO | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| RYOKI | August 13, 2021 | May 25, 2025 | 3 Years, 9 Months, 12 Days |
| SOTA | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| MANATO | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| SHUNTO | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| RYUHEI | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| Aile The Shota | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| RAN | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| REIKO | August 13, 2021 | Present | 4 Years, 4 Months, 29 Days |
| edhiii boi | August 24, 2021 | Present | 4 Years, 4 Months, 18 Days |
| KAIRYU | October 1, 2021 | Present | 4 Years, 3 Months, 10 Days |
| SEITO | November 1, 2021 | Present | 4 Years, 2 Months, 10 Days |
| TAIKI | April 8, 2022 | Present | 3 Years, 9 Months, 3 Days |
| TAKUTO | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| EIKI | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| NAOYA | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| RYUKI | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| HAYATO | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| KANON | October 30, 2022 | Present | 3 Years, 2 Months, 12 Days |
| REN (2007) | April 1, 2023 | Present | 2 Years, 9 Months, 10 Days |
| KAIRI | April 1, 2023 | Present | 2 Years, 9 Months, 10 Days |
| YUTA | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| KEITO | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| KEI | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| RAIKI | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| COTA | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| RYOMA | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| AOI | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| YAMATO | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| TOMOKI | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| REN (2011) | September 1, 2023 | Present | 2 Years, 4 Months, 10 Days |
| TAICHI | March 1, 2024 | Present | 1 Year, 10 Months, 10 Days |
| HAL | April 1, 2024 | Present | 1 Year, 9 Months, 10 Days |
| MITSUHIKO | April 1, 2024 | Present | 1 Year, 9 Months, 10 Days |
| GOICHI | June 1, 2024 | Present | 1 Year, 7 Months, 10 Days |
| TERUHIKO | September 1, 2024 | Present | 1 Year, 4 Months, 10 Days |
| YU | September 1, 2024 | Present | 1 Year, 4 Months, 10 Days |
| KEISHIN | September 1, 2024 | Present | 1 Year, 4 Months, 10 Days |
| JISOO | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| MOMOKA | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| CHIKA | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| NAOKO | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| KOHARU | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| YURI | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| MAHINA | January 11, 2025 | Present | 1 Year, 0 Months, 0 Days |
| LEON | May 2, 2025 | Present | 0 Years, 8 Months, 9 Days |
| KAITO | May 2, 2025 | Present | 0 Years, 8 Months, 9 Days |
| ADAM | September 19, 2025 | Present | 0 Years, 3 Months, 23 Days |
| KANTA | September 19, 2025 | Present | 0 Years, 3 Months, 23 Days |
| RYOTO | September 19, 2025 | Present | 0 Years, 3 Months, 23 Days |
| ISANA | October 1, 2025 | Present | 0 Years, 3 Months, 10 Days |
| FUMINO | January 1, 2026 | Present | 0 Years, 0 Months, 10 Days |
Members by Age[]
This lists all members of BMSG in age order.
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