Momoiro Clover Z Wiki
Momoiro Clover Z Wiki
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3B jr.

Years Active



3Bjunior Official Site

(Please update each members profile photos from Stardust Section 3 Idol website)

3B junior was a 26-member idol training project represented by Stardust Promotion entertainment talent agency Section 3. The group was formed in 2014 and consists of members from disbanded groups such as Minitia Bears and Team Daioh Ika.

The group bears the same name with its parent department 3Bjunior (originally a rookie training department for model, actress and idol) since it was the result of the department's reorganization into an independent idol training department.[1] The groups aims for unit debuts through dance and vocal lessons.[2]

The group is referred as Momoiro Clover Z's little sister group.[3] Momoiro Clover Z manager, Akira Kawakami is the manager in charge.[4]On November 3, 2018, 3B junior disbanded and instead, the remaining 5 members formed a new group called "Amefurasshi".


Members of 3B junior in the Momoiro Clover Z National Stadium concert

The term of 3Bjunior as a rookie development department in Stardust Promotion section 3 is abolished as of 3Bjunior LIVE FINAL: Ore no Fujii 2014 live concert. 3Bjunior underwent a department reorganization into an individual idol department.[5]. Team Hotaru Ika and Team Daioh Ika disbandment were announced in the live concert. KAGAJO 4S and Minitia Bears were later disbanded in February and March, respectively.

On March 16, The members were present in Momoiro Clover Z's Momoclo Haru no Ichidaiji 2014 Kokuritsu Kyougijou Taikai ~NEVER ENDING ADVENTURE Yume no Mukou e~ live concert waving the flag in Hagane no Ishi performance.[6]

On November 1, 2014 in the Fujii to Yome no Nanokakan Sensou live concert announcement, the idol training department was announced under the name of 3B junior with 21 members listed on the official site. The official site was opened along with the return of several disbanded groups members in the Stardust Section 3 profile. The group debuted on November 8, 2014 Music Fair episode as the backup dancers to Momoiro Clover Z while performing Nanairo no Stardust.[7] Their first stage debut is in the live viewing of Onna Matsuri 2014 at Tokyo International Forum Hall.[8] Two new units Okuzawamura and Hachimitsu Rocket were introduced in Momoiro Clover Z's Ai Yajima Haku 2014 Fuyu Chiba 85 live event.[2]

3B junior first live concert in Nihon Seinenkan

The group held their first two independent live concert on January 8 and January 10 as a part of 3Bjunior annual live concert Fujii to Yome no Nanokakan Sensou in Nippon Seinenkan. They showcased three new songs and several new song units including Leaf Citron. It was announced in the end of the live concert that Luna Naito, Ruka Shiina, Chiho Takai, Misato Hirase, Ami Uchiyama and one additional member will make their major debut under Evil Line Records in Summer 2015. They also announced their new variety show program titled 3B junior no Hoshikuzu Shouji in TV Asahi, starting on January 28.

2015 Helium Incident[]

A member lapsed into a coma after inhaling helium during the recording of 3B junior no Hoshikuzu Shouji. On January 28, one of five members lost consciousness after inhaling the gas in an attempt to change their voices as a part of game.[9] The girl, 12, was transported from the station’s studios in Minato Ward to a local hospital.[9] The victim, who was diagnosed as having suffered from an air embolism in the arteries to her brain, is still unconscious but is now showing signs of activity, including the moving of her eyes and limbs.[9][10] A spokesman for TV Asahi told the AFP news agency on Thursday, "There are signs of recovery, but she is still not fully fit." The girl's name has not been revealed because she is a minor.[11] Sankei Sports News referred the girl as "A-san".[10]


Name Kanji Date of Birth Units
Aira 愛来 December 8, 2002 (2002-12-08) (age 19) Okuzawamura
Kanon Amemiya 雨宮かのん September 20,1999(age 18) Hachimitsu Rocket
Yuzuki Ichikawa 市川優月 November 2, 2003 (2003-11-02) (age 18) Majestic Seven
Uran うらん October 12, 1999 (1999-10-12) (age 22) Majestic Seven
Hikaru Ohira 大平ひかる July 3, 2002 (2002-07-03) (age 20) Majestic Seven
Reina Okuzawa 奥澤レイナ February 16, 1999 (1999-02-16) (age 23) Okuzawamura
Hina Odagaki 小田垣陽菜 January 30, 2002 (2002-01-30) (age 20) Majestic Seven
Maika Kimino 公野舞華 December 20, 2001 (2001-12-20) (age 20) Hachimitsu Rocket
Yuzuki Kurimoto 栗本柚希 October 5, 2000 (2000-10-05) (age 21) Leaf Citron
Hana Kojima 小島はな February 26, 2004 (2004-02-26) (age 18) Majestic Seven
Karin Saito 斎藤夏鈴 October 29, 2000 (2000-10-29) (age 21) Hachimitsu Rocket
Moeka Suzuki 鈴木萌花 February 5, 2002 (2002-02-05) (age 20) Majestic Seven
Sora Tsukamoto 塚本颯来 November 7, 2001 (2001-11-07) (age 20) Hachimitsu Rocket
Yu Nakamura 中村優 September 15, 1999 (1999-09-15) (age 22) Okuzawamura
Tomoko Hazuki 葉月智子 May 12, 1998 (1998-05-12) (age 24) Leaf Citron
Shiho Hanayama 華山志歩 April 2, 2000 (2000-04-02) (age 22) Hachimitsu Rocket
Reina Harina 播磨怜奈 February 13, 2002 (2002-02-13) (age 20) Hachimitsu Rocket
Maari Nagayama 永山真愛 September 1, 2002 (2002-09-01) (age 19) Okuzawamura
Mihuu 澪風 June 1, 2000 (2000-06-01) (age 22) Hachimitsu Rocket
Sakuya Nakahara 中原咲耶 October 1, 2004 (2004-10-01) (age 17)
Aoba Mori 森青葉 May 12, 2001 (2001-05-12) (age 21) Hachimitsu Rocket
  • Rock A Japonica

Members listed below made a major debut under Evil Line Records. The group namely "Rock A Japonica" and debuted in January 27, 2016. As of December 18, 2016, the members was decided to leave indefinitely from the activity of 3B junior.

Name Kanji Date of Birth Notes
Luna Naito 内藤るな December 23, 2000 (2000-12-23) (age 21) Former Minitia Bears member
Former Team Hotaru Ika member
Ruka Shiina 椎名るか July 28, 2001 (2001-07-28) (age 21) Former Minitia Bears member
Former Team Hotaru Ika member
Chiho Takai 高井千帆 November 20, 2001 (2001-11-20) (age 20) Former Minitia Bears member
Former Team Hotaru Ika member
Misato Hirase 平瀬美里 August 6, 2002 (2002-08-06) (age 20) Former Minitia Bears member
Former Team Hotaru Ika member
Ami Uchiyama 内山あみ January 17, 2000 (2000-01-17) (age 22) Former KAGAJO 4S member


  • [2015.08.14] Fragile Stars/Yuuki no Silhouette
  • [2016.04.16] Stardust Fantasia
  • [2016.09.07] 3B junior First Album 2016


External Links[]


e - t - v3Bjunior (New Project)
Members AiraKanon AmemiyaYuzuki IchikawaUranHikaru OhiraReina OkuzawaHina OdagakiMaika KiminoYuzuki KurimotoHana KojimaKarin SaitoMoeka SuzukiSora TsukamotoYu NakamuraTomoko HazukiShiho HanayamaReina HarinaMaari NagayamaMihuuReo MiyamaeAoba Mori
Units OkuzawamuraHachimitsu RocketLeaf Citron
Unlisted Members Ami UchiyamaLuna NaitoRuka ShiinaMisato HiraseChiho Takai
Related Topics 3BjuniorMinitia BearsTeam Daioh IkaTeam Hotaru IkaKAGAJO 4S