This page consists of all members of BiS.
As the longest-running group in WACK prior to its disbandment, BiS has endured a frequently fluctuating line-up, with multiple new additions, graduations, disbandments and reboots across its 11 years of activity. During , there had been a total of 38 BiS members in total, across 3 generations. This includes 38 graduations/withdrawals and three disbandments. The third generation was BiS' most recent line-up, and its final lineup consisted of 5 members.
Final Lineup[]
| Name | Date Joined | Generation | Date left/Graduated | Role | Notes |
|---|---|---|---|---|---|
Toggy |
June 11, 2019 | January 12, 2025 | SEX | Took part in the WACK AUDiTiON CAMP 2019, as "Okita Yua" Concurrent member of SAiNT SEX Former member of Dogenzaka43 | |
Nano3 |
November 4, 2021 | SUCK | |||
Hyuga |
October 14, 2022 | DiRT | Took part in the WACK AUDiTiON CAMP 2021 as "Iggy". Took part in the WACK AUDiTiON CAMP 2022 as "Ichamori". | ||
Iko Mugennokanata |
March 25, 2023 | MAD | Took part in the WACK AUDiTiON CAMP 2023 as "Aika The Police".
Member of ASP since May 2025. | ||
Kurenai Worldsend |
CREEP | Took part in the WACK AUDiTiON CAMP 2022 as "Nago". Took part in the WACK AUDiTiON CAMP 2023 as "hitorikko". |
Former Members[]
| Name | Date Joined | Generation | Date left/Graduated | Role | Notes |
|---|---|---|---|---|---|
Pour Lui |
1st Generation: December 9, 2010 (1st generation is formed) 2nd Generation: July 8, 2016 (2nd generation is formed) |
1st, 2nd | 1st Generation: July 8, 2014 (1st generation disbands) 2nd Generation: March 4, 2018 (Graduated) |
Naughty Member | Leader, Founder
Member at time of 1st generation's disbandment Member of: Member, founder and leader of PIGGS |
Nakayama Yukiko |
December 9, 2010 (1st generation is formed) | 1st | December 30, 2011 | Commanding Officer of Suicide Squad Member | Member of:
Producer of Kimi no Mawari+. |
Yokoyama Rina |
June 24, 2011 | Silly Member | First BiS member to graduate
Founder and leader/producer of CY8ER (as Ichigo Rinahamu) Founder and producer/member:
Producer of: | ||
Hirano Nozomi |
July 8, 2014 (1st generation disbands) | My Pace Member | Member at time of 1st generation's disbandment
Member of:
| ||
Terashima Yufu |
July 9, 2011 | May 26, 2013 | Honor Student Member | Member of: | |
| Okuda Minami | N/A | N/A | N/A | Left before debut, but is credited as a member in the My Ixxx liner notes | |
Michibayashi Rio |
April 15, 2012 | September 22, 2013 | Gross Member | Member of BiS Kaidan | |
Wakisaka Yurika |
March 16, 2013 | Pure Member | Member of: | ||
First Summer Uika |
May 26, 2013 | July 8, 2014 (1st generation disbands) | Jester Member | Member at time of 1st generation's disbandment
Member of: | |
Tentenko |
Killer Member | Member at time of 1st generation's disbandment
Member of: | |||
Kamiya Saki |
1st Generation: May 26, 2013 2nd Generation: April 30, 2017 |
1st 2nd |
1st Generation: July 8, 2014 (1st generation disbands) 2nd Generation: March 4, 2018 |
1st Generation: Handsome Member 2nd Generation: Handsome Bald Member |
Member at time of 1st generation's disbandment.
Temporarily joined during the 2nd generation, as part of a rental trade with Aya Eightprince. Leader of GANG PARADE Member of: |
Youko |
June 6, 2013 | 1st | June 6, 2013 | One-day member | Won an online auction to join BiS for exactly one day only. |
Koshino Junko |
October 28, 2013 | November 5, 2013 | Honorary Lifetime Member | Oldest person to join BiS
Fashion designer who temporarily joined to promote her new handbag line. Was given the title of "Honorary Lifetime Member" on her final day of promotions. | |
Coshoji Megumi |
November 19, 2013 | July 8, 2014 (1st generation disbands) | Spice Member | Member at time of 1st generation's disbandment.
Leader of Maison book girl Member of BiS Kaidan | |
Aya Eightprince |
Initial join date: September 4, 2016 Return date: March 4, 2018 |
2nd | Rental Trade (Hiatus): April 30, 2017 Graduated: May 11, 2019 (2nd generation disbands) |
Beauty Member | Member at time of 2nd generation's disbandment.
Took part in the BiS Reformation Audition as "Koshouji Megumu" Fired during the WACK AUDiTiON CAMP 2019, but the decision was reversed when BiS announced their disbandment. Absent from May 2017 to March 2018, as she temporarily swapped groups with Kamiya Saki Member of: |
Go Zeela |
September 4, 2016 | May 11, 2019 (2nd generation disbands) | Monster Member | Member at time of 2nd generation's disbandment
Took part in the BiS Reformation Audition as "Yokoyama Hina" Captain of BiS 1st Member of: | |
Kika Front Frontale |
N/A | Member at time of 2nd generation's disbandment
Took part in the BiS Reformation Audition as "Maina The End" Member of BiS 2nd | |||
Peri Ubu |
Easy Life Member | Member at time of 2nd generation's disbandment
Took part in the BiS Reformation Audition as "Nagayama Yukiko" Member of:
| |||
Pan Luna Leafy |
April 2, 2017 | Burning Love Member | Member at time of 2nd generation's disbandment
Took part in the WACK AUDiTiON CAMP 2017 as "Ooshouji Megumi" Member of: | ||
Momoland |
April 20, 2018 | Change the World Member | Withdrew without a graduation ceremony
Took part in the WACK AUDiTiON CAMP 2017 as "Hirano Nozomu" | ||
Sharaku Yuuki |
March 18, 2018 | N/A | Withdrew before debut.
Took part in the WACK AUDiTiON CAMP 2018 as "Gamiya Saki" Member of: | ||
YUiNA EMPiRE |
May 11, 2019 (2nd generation disbands) | Tapir Member | Member at time of 2nd generation's disbandment
Took part in the WACK AUDiTiON CAMP 2017 as "Lisoliso" Member of: Member of (as "Kotani Yuina"): Member of (as YUINA): | ||
Muropanako |
And so, the Legend Begins! Member | Member at time of 2nd generation's disbandment
Took part in the WACK AUDiTiON CAMP 2018 as "Ayuna C" Captain of BiS 2nd Member of:
| |||
Toriaez Hana |
Cheers! Member | Member at time of 2nd generation's disbandment.
Took part in the WACK AUDiTiON CAMP 2018 as "Cent Chihiro Tette" Fired during the WACK AUDiTiON CAMP 2019 but the descision was reversed when BiS announced their disbandment. Member of:
| |||
Mewclub |
Wonderland Member | Member at time of 2nd generation's disbandment.
Member of:
| |||
Nel Nehru |
January 1, 2019 | Dynamite Member | Withdrew without a graduation ceremony
Member of BiS 2nd | ||
Manako Chiii Manako |
June 11, 2019 | 3rd | August 13, 2019 | SHiT | Withdrew without a graduation ceremony
Member of Killmilky (As "Komori Manako") |
Zuzu Death |
September 30, 2019 | October 7, 2019 | N/A | Withdrew without a graduation ceremony
Took part in the MONSTER IDOL televised audition as "Yuzu". | |
Kashiwagi Yuki |
April 9, 2021 | December 27, 2021 | N/A | Special limited-time member who joined for one single (Kashiwagi Yuki Nari no BiS-ANYTiME ANYTHiNG-) in 2021.
Was concurrently a member of: BiSH, EMPiRE, GO TO THE BEDS, PARADISES and MAMESHiBA NO TAiGUN. Member of:
| |
Chantmonkee |
June 11, 2019 | July 18, 2022 | BiTCH | Former member of Dogenzaka43 | |
Ito Musensiteebu |
January 8, 2023 | PRETTY | |||
Neo Trees |
FUCK | ||||
Shionepic |
March 25, 2023 | March 5, 2024 | PSYCHO | Took part in the MAMESHiBA NO TAiGUN Nari no Gasshuku as "Shion". Took part in the WACK AUDiTiON CAMP 2023 as "Changadult". |
Tenures[]
All names in BOLD are the members by the time BiS disbanded.
- Pour Lui: 5 Years, 2 Months, 3 Weeks, 5 Days
- Toggy: 5 Years, 1 Month, 16 Days
- Hirano Nozomi: 3 years, 7 months
- Ito Musensiteebu and Neo Trees: 3 Years, 6 Months, 28 Days
- Nano3: 3 Years, 2 Months, 8 Days
- Chantmonkee: 3 Years, 1 Month, 6 Days
- Go Zeela: 2 years, 8 months, 8 days
- Kika Front Frontale: 2 years, 8 months, 8 days
- Peri Ubu: 2 years, 8 months, 8 days
- Hyuga: 2 Years, 2 Months, 29 Days
- Pan Luna Leafy: 2 years, 1 month, 9 days
- Kamiya Saki: 1 Year, 11 Months, 17 Days
- Terashima Yufu: 1 year, 10 months, 17 days
- Aya Eightprince: 1 year, 10 Months, 3 Days
- Iko Mugennokanata and Kurenai Worldsend: 1 Year, 9 Months, 18 Days
- Michibayashi Rio: 1 year, 5 months, 1 week
- Muropanako: 1 year, 1 month, 23 days
- Toriaez Hana: 1 year, 1 month, 23 days
- Mewclub: 1 year, 1 month, 23 days
- YUiNA EMPiRE: 1 year, 1 month, 23 days
- First Summer Uika: 1 year, 1 month, 12 days
- Tentenko: 1 year, 1 month, 12 days
- Nakayama Yukiko: 1 year, 21 days
- Momoland: 1 year, 18 days
- Shionepic: 11 Months, 9 Days
- Wakisaka Yurika: 11 months, 1 day
- Nel Nehru: 9 months, 4 days
- Kashiwagi Yuki: 8 Months, 19 Days
- Coshoji Megumi: 7 months, 20 days
- Yokoyama Rina: 6 months, 14 days
- Manako Chiii Manako: 2 months, 2 days
- Koshino Junko: 8 days
- Zuzu Death: 1 week
- Sharaku Yuuki: 2 days
- Youko: 1 day
Members Release Count[]
Member Line-Ups[]
| Date | Member(s) | Total Members | Music Released with Line-Up |
|---|---|---|---|
| December 9, 2010 (formation) | Group formation. Founding members include Pour Lui, Nakayama Yukiko, Yokoyama Rina and Hirano Nozomi |
4 | Taiyou no Jumon Brand-new idol Society (2011) Interaction |
| June 24, 2011 | Yokoyama Rina graduates | 3 | My Ixxx |
| July 9, 2011 | Terashima Yufu joins | 4 | nerve ABiSCDiS primal. |
| December 30, 2011 | Nakayama Yukiko graduates | 3 | Tofu |
| April 15, 2012 | Michibayashi Rio and Wakisaka Yurika join | 5 | PPCC Bisukete IDOL is DEAD GET YOU BiSimulation |
| March 16, 2013 | Wakisaka Yurika graduates | 4 | None |
| May 26, 2013 | Terashima Yufu graduates
First Summer Uika, Tentenko and Kamiya Saki join |
6 | DiE |
| June 6, 2013 | Youko joins as a temporary member | 7 | None |
| Youko leaves | 6 | Fly / Hi Denden Passion / IDOL | |
| September 22, 2013 | Michibayashi Rio graduates | 5 | None |
| October 28, 2013 | Koshino Junko joins as a temporary member | 6 | Koisuru Denpo JAPAN |
| November 5, 2013 | Koshino Junko leaves | 5 | None |
| November 19, 2013 | Coshoji Megumi joins | 6 | STUPiG BiS Otameshi BEST!! WHO KiLLED IDOL? FiNAL DANCE / nerve Uryaoi!!! |
| July 8, 2014 (1st Generation's disbandment) | BiS' first generation disbands, and all members graduate | 0 | DJ MEGUMI'S BiS MiX |
| July 8, 2016 (2nd Generation's formation) | Pour Lui announces BiS' reformation | 1 | BiSBiS |
| September 3, 2016 | Aya Eightprince, Go Zeela, Kika Front Frontale and Peri Ubu join through the BiS Reformation Audition | 5 | Brand-new idol Society 2 Re:STUPiD |
| March 31, 2017 | Pan Luna Leafy and Momoland join through the WACK AUDiTiON CAMP 2017 | 7 | None |
| April 30, 2017 | Kamiya Saki and Aya Eightprince trade places, with Kamiya Saki rejoining BiS and Aya Eightprince leaving to join GANG PARADE | 7 | SOCiALiSM I can't say NO!!!!!!! |
| September 13, 2017 | Pour Lui is suspended | 6 | None |
| October 4, 2017 | Pour Lui rejoins | 7 | WHOLE LOTTA LOVE / DiPROMiSE |
| March 4, 2018 | Pour Lui graduates
The Kamiya Saki / Aya Eightprince Rental Trade ends, with Kamiya Saki leaving, and Aya Eightprince rejoining |
6 | |
| March 17, 2018 | "Gamiya Saki", Muropanako, Toriaez Hana, Mewclub and Nel Nehru join though the WACK AUDiTiON CAMP 2018. YUiNA EMPiRE is transferred from EMPiRE BiS is split into BiS 1st (Go Zeela, Pan Luna Leafy, Momoland, "Gamiya Saki", Toriaez Hana, Nel Nehru) and BiS 2nd (Aya Eightprince, Kika Front Frontale, Peri Ubu, YUiNA EMPiRE, Muropanako, Mewclub) |
BiS 1st: 6 BiS 2nd: 6 Overall: 12 |
None |
| April 20, 2018 | Momoland and "Gamiya Saki" resign | BiS 1st: 4 BiS 2nd: 6 Overall: 10 |
Don't miss it!! |
| July 30, 2018 | Aya Eightprince is promoted to BiS 1st and Nel Nehru is demoted to BiS 2nd | Against The Pain | |
| December 29, 2018 | The BiS.LEAGUE system ends and both groups merge back into BiS | 10 | None |
| January 1, 2019 | Nel Nehru resigns | 9 | Are you ready? |
| March 27, 2019 | Aya Eightprince is fired | 8 | None |
| March 28, 2019 | Toriaez Hana is fired | 7 | |
| March 30, 2019 | BiS' second generation announces disbandment; in response, Aya Eightprince and Toriaez Hana are reinstated into the group | 9 | |
| May 11, 2019 (2nd Generation's disbandment) | BiS' second generation disbands and all members graduate | 0 | |
| June 11, 2019 (3rd Generation's formation) | BiS' third generation is formed, with Toggy, Manako Chiii Manako, Ito Musensiteebu, Chantmonkee and Neo Trees as members | 5 | Brand-new idol Society (2019) (and all pre-release digital singles from it) Good bye KAsAbutA Shounen no Uta |
| August 13, 2019 | Manako Chiii Manako resigns | 4 | None |
| September 30, 2019 | Zuzu Death joins | 5 | |
| October 7, 2019 | Zuzu Death resigns | 4 | DEAD or A LiME LOOKiE (and all pre-release digital singles from it) DESTROY CURTAiN CALL Imitation Sensation ANTi CONFORMiST SUPERSTAR "Propaganda" to "PROPAGANDA" COLD CAKE KiLLiNG IDOLS TOUCH ME / LOVE IMAGINE? PMA（Positive Mental Attitude） BASIS Katsurei Girl / BEGGiNG Katsurei Girl / family name |
| April 9, 2021 | Kashiwagi Yuki joins as a temporary part-time member | 5 | Kashiwagi Yuki Nari no BiS-ANYTiME ANYTHiNG- |
| November 4, 2021 | Nano3 joins | 5 (6 including Kashiwagi) | BiS DiVE into ROCKS |
| December 26, 2021 | Kashiwagi Yuki (presumably) leaves | 5 | DA DA DA DANCE SONG |
| February 18, 2022 | Toggy goes on hiatus | 4 | BELiEVE Hey boy hey girl |
| July 18, 2022 | Chantmonkee graduates | 3 | None |
| August 6, 2022 | Toggy rejoins | 4 | |
| October 14, 2022 | Hyuga joins | 4 | |
| March 25, 2023 | Iko Mugennokanata, Kurenai Worldsend, and Shionepic join | 6 | E-R-T-H-C-Na-H-Q-ka-H-K-M-B-Ne-Z-Om LAZY DANCE NEVER MiND |
| March 5, 2024 | Shionepic leaves | 5 | NEVER MiND (NEW TYPE Ver) |
| January 12, 2025 (3rd Generation's disbandment) | BiS' third generation disbands. | 0 | None |
Trivia[]
- The line-up between Zuzu Death's withdrawal and Kashiwagi Yuki's temporary addition is the most stable in BiS' history, with no line-up changes for two and a half years.
- The average tenure for a member of BiS is roughly 1 Year and 7 Months.