STU48, 2024
STU48 Logo
STU48 (short for Setouchi48) is an all-female Japanese idol group and the 5th domestic sister group of AKB48. The group formerly had a shipboard theater, and sailed through the seven prefectures of Setouchi Region (Yamaguchi, Hiroshima, Okayama, Hyogo, Tokushima, Kagawa and Ehime) from April 2019 to May 2021. The 1st Generation members were announced on March 19, 2017.
Generation Teams and Members
Current
- STU48 1st Generation
- STU48 3rd Draft
- STU48 2nd Generation
- STU48 2.5th Generation
- STU48 3rd Generation
- Kenkyuusei
History
- On October 10, STU48 was announced in public at AKB48 Unit Janken Taikai 2016, in Kobe World Kinen Hall. Also, their theater will be on a boat. The group will started on summer 2017.
STU48, 44 people who passed the final audition
- The application for 1st Generation was started on January until February 5. During their auditions, AKB48 members Watanabe Mayu and Kashiwagi Yuki visited all seven prefectures in Setouchi Region to promote their sister group and the audition for 1st Generation members.
- On February 22, two members, Okada Nana (Team 4) and Sashihara Rino (Team H), will joined STU48 as Kennin members, to hold the group as a captain and theater manager.
STU48, 2017
- On March 19, 44 applicants were passed on their auditions, as 1st Generation members were introduced, held in Hiroshima City.
- On a final day of March, the 1st Generation members were announced, debuting 31 original members.
- On May 31, AKB48 released their 48th single Negaigoto no Mochigusare, included the first STU48’s song Setouchi no Koe (this was later included on their debut single Kurayami on 2018).
- 5 days after the release of AKB48’s 48th single, the music video of Setouchi no Koe was released.
- On November 18, Kuroiwa Yui graduated from the group due to her studies in school.
- On November 22, STU48 had a new song entitled Omoidasete Yokatta, as AKB48 released their 50th single 11-gatsu no Anklet.
- On November 25, after the release of AKB48's 50th single, Sashihara Rino announced that she would cancelled her Kennin position on STU48 as a theater manager, to focus her activities in HKT48.
STU48, 2018
- On January 15, STU48 has a variety show named STU48 no Setobingo! (STU48のセトビンゴ！, known as SETOBINGO!) which will run only for 11 episodes until March 26. It was aired on Nippon TV.
- On final day of January, they released their debut single Kurayami, released in 6 types (limited and regular editions) and theater edition. This is the first single in all AKB48 groups to release more than 5 types.
- On March 14, the group had their 3rd original song Pedal to Sharin to Kita Michi to, a coupling song where included and released by AKB48 as their 51st single Jabaja.
- On March 25, Ozaki Mami graduated from the group.
- On April 13, Cho Orie and Sano Haruka were graduated from the group.
- On April 14, the theater manager Yamamoto Manabu revealed their ship from formerly operated by Iki-Tsushima Sea Line or ITSL (formerly named Mikasa, みかさ), that will be used for STU48 Theater, especially for upcoming theater performances. It was formerly roll-on roll-off (RoRo) cargo / passenger ship before transformed to a shipboard theater. Followed by July, they announced their 2nd single release, which will slated on August 29. But due to flash floods and heavy rains affected in Setouchi Region, the release of 2nd single and the operation of their shipboard theater was moved to 2019.
- On July 22, Shioi Hinako graduated from the group.
- On October 26, the group announced their first five units, namely Setomaiku, Charming Trip, Katte ni! Shikoku Kanko Taishi, STUDIO, and Seto7.
- On November 18, the group was selected as one of the New Artist of the Year for the event 60th Japan Record Awards, making them a candidate to win the Japan Record Award for Best New Artist.
- On December 12, they released their first guidebook entitled Mirai Kouro (未来航路). Followed on December 27, the main song music video of their 2nd single was released, titled Kaze wo Matsu.
STU48, 2019
- On January 22, the 2nd single coupling music video, Shukko, was released, which was centered by Okada Nana. On their music video, their STU48 Shipboard Theater currently ongoing construction, though they're visited on Onomichi, Hiroshima to look the current status of their shipboard theater.
- On February 13, they released the 2nd single Kaze wo Matsu. Followed on February 25, two STU48 Members Yano Honoka and Fujiwara Azusa painted personally their ship name on their bow. Also, they released the lists of ports where the STU48-go will dock on their theater performances.
- On April 16, their STU48-go has officially launched in a ship commissioning ceremony at Hiroshima port, followed on evening performances for Shonichi of their 1st stage entitled GO! GO! Little Seabirds!
- On May 6, Sugahara Saki graduated from the group.
- On June 2, in one episode of STU48 Imousu TV, the group announced on their upcoming 3rd single, which be released on July 31. Month after the 3rd single announcement, the music video Daisuki na Hito was released.
- On July 15, the STU48-go present at Marine Day event organized by the C to Sea Project, held at Harumi Pier in Tokyo.
- On July 31, their 3rd single Daisuki na Hito was released.
- On October 27, the group announced their official 2nd Generation members.
- On December 20, the senshuuraku stage of STU48's 1st stage. Followed on December 21 and 22, the 2nd Generation members held their debut performances at STU48 Theater.
STU48, 2020
- On January 11, the shonichi stage of Bokutachi no Koi no Yokan (2nd stage) was held on STU48 Theater. The stage was produced by Okada Nana.
- On January 18, during their concert at Tokyo Dome City Hall, Okada Nana announced that she would stepped down as a captain (also serving as a manager) of the group, replacing her to Imamura Mitsuki as a new captain of the group, and Fukuda Akari as deputy captain (or vice captain). In addition, Naachan said that she will retain her concurrency membership as a regular member of STU48.
- On January 29, their 4th single released, titled Mobou na Yume wa Sameru Koto ga Nai.
- On February 20, the Shonichi of Kenkyuusei’s 1st Stage was held at STU48 Theater, entitled Boku no Taiyou, a revival stage from Himawarigumi 1st stage.
- On March 28, due to the impacts of COVID-19 pandemic, their 3rd anniversary celebration was held via live streaming on the video service Nico Nico. Also, they announced that their 5th single will released on May 27. But later, it was postponed due to pandemic, and moved to September 2 as their 5th single release.
- On April 2, Kondo Arisu resigned from the group due to her academic reasons.
- On July 9, the management announced that the STU48 Shipboard Theater (STU48-go) will retire on spring 2021, and their performances next year would be held around Setouchi area with no fixed venue.
- On July 23, they released the mixed version music video of 5th single main song Omoidaseru Koi wo Shiyou, which all members included.
- On August 2, the group released their audio/digital version of 5th single main song on their online streaming platforms. The main song had three versions: 1st Generation + 3rd Draft Version, 2nd Generation Kenkyuusei Version, and the mixed version.
- On September 2, the group released their full physical (CD+DVD) and digital version of their 5th single. This is the first ALL48 single to have two different Senbatsu.
- On October 2-4, the group joined on Tokyo Idol Festival 2020, where AKB48 and the rest of local 48 groups were attended. They were seen on Day 2 and Day 3 performances. Also, their STU48 Shipboard Theater was present on a port on Day 3 performances.
STU48, 2021
- On January 15, STU48 performed for the first time at Nippon Budokan, as they announced and performed their upcoming 6th single before their official release. Following their new announcement, the group announced that they will having a 4th anniversary concert, that will hold at Hiroshima Sun Plaza Hall on March 13 (Saturday).
- On February 1, the group premiered their 6th single main song music video, titled Hitorigoto de Kataru Kurainara. After 2 weeks, the coupling song music video Boku wa Kono Umi wo Nagameteru, which was performed by Setouchi PR Unit, was released, two days before their full release of their 6th single.
- On February 7, the group announced that their shipboard theater will cease their service on May 23.
- On February 17, their 6th single Hitorigoto de Kataru Kurainara was released.
- On March 13, the group celebrates their 4th anniversary concert at Hiroshima Sun Plaza Hall, entitled STU48 4th Anniversary Concert ~Bokura wa Koko kara ga Sugoizo!~ (STU48 4周年コンサート〜僕らはここからが凄いぞ！〜). Their schedule was held at noon part.
- On April 5, Ishida Chiho, who was recently centered the main song Hitorigoto de Kataru Kurainara, has announced that she will going on a hiatus due to her physical condition. 2 days after her hiatus announcement, she was replaced by Tamura Natsuki, especially on their theater performances.
- On May 23, the STU48 Shipboard Theater (STU48-go) stopped at their last tour in Hiroshima Port, where the ship was commissioned last April 16, 2019, to perform for their final time for Kenkyuusei's 1st stage (daytime performance) and promoted member's 2nd stage (night performance). After their night performance, the STU48-go officially decommissioned at Hiroshima Port.
- On June 5, Otani Marina graduated from the group.
- On June 29, the group announced that Ishida Chiho will resumed her activities. 4 days later, her SNS accounts are reactivated.
- On July 25, Tamura Natsuki resigned from the group.
- On August 8, Yabushita Fu graduated from the group, where her graduation was held at Kobe International House Kokousai Hall.
- On August 15, the group announced their upcoming 7th single, which will be released on October 20.
- On September 12, the group announced their 7th single main song, entitled Hetaretachi yo, centered by Takino Yumiko. Also, Okada Nana announced her termination of her concurrency position in STU48.
- On October 1, the group premiered their 7th single music video Hetaretachi yo on their official YouTube channel.
- On October 5, Sakaki Miyu announced her graduation.
- On October 12, Kadowaki Miyuna, Imaizumi Miria, Nakahiro Yayoi and Minami Yurina announced their graduation from the group.
- On October 20, the group released their physical and digital versions of their 7th single.
- On October 26, the group announced their 3rd Generation candidates. They have a collaboration with Actors School Hiroshima (ASH) as part of their "New Wave Project".
- On October 30, Nakahiro Yayoi graduated, and Imaizumi Miria and Minami Yurina withdrew from the group as 2nd Generation Members.
- On November 18, Kadowaki Miyuna withdrew from the group.
- On December 16, Taguchi Reika announced her graduation.
- On December 28, Sakaki Miyu graduated from the group.
STU48, 2022
- On January 31, the group marked their 4th anniversary major debut of their 1st single Kurayami.
- On February 5, Taguchi Reika graduated from the group as 2nd Generation Member.
- On February 28, the group announced their upcoming 8th single release. It will be released on April 13.
- On March 18, the group held their farewell concert for Okada Nana. It was held at Kobe International House Kokusai Hall to perform for the final time with the original members, and her Kennin position would relinquished her role as 1st Generation Member of the group.
- She returned full time as a member of AKB48 Team 4, one month before the AKB48 16th Anniversary Team Shuffle happened.
- On March 31, the group released the story video version of Hana wa Dare no Mono? on their YouTube Channel.
- On April 7, the group released the MV version of Hana wa Dare no Mono? on their YouTube Channel. The same time, they released the audio/digital version of their 8th single main song.
- On April 13, the group released their full physical (CD+DVD) and digital version of their 8th single.
- On May 3, the group premiered their dance-lyrics video of Hana wa Dare no Mono? on their YouTube Channel.
- On May 5, the group announced their New Wave Project members.
- On June 24, the group ended their Bokutachi no Koi no Yokan Stage
- On July 30, the group started theirHana wa Dare no Mono? Stage. The name of the stage is the same name of the 8th single release with additional two new original songs.
- Also, this is the group's first original stage.
- The same time, Yano Honoka announced her graduation.
- On September 23, Yano Honoka graduated from the group as 1st Generation member.
- On December 24, the group announced their 9th single to be released on March 1, 2023. The center for the upcoming 9th single release is Ishida Chiho.
STU48, 2023
- On January 8, Tanaka Miho announced her graduation.
- On January 20, the group release the audio/digital single of Hana wa Dare no Mono? - From THE FIRST TAKE on their online streaming devices, in advance of the 9th single release.
- On February 2, the group released the full MV of Egao no Chance on their YouTube Channel, performed by Setouchi PR Unit Season 2.
- This is also the unit's second original song included in upcoming 9th single release.
- On February 28, the group released the MV teaser of Iki wo Suru Kokoro on their YouTube Channel.
- On March 1, the group released their 9th Single MV on their YouTube Channel, along with the main song's audio/digital version on their online streaming devices.
- On March 7, Yoshizaki Rinko announced her graduation.
- On March 15, the group released their FULL 9th Single in physical and online streaming platforms. Also, they release the full music video of Kamisama mo Akireru Kurai ni on their YouTube channel, performed by SHOWROOM Senbatsu.
- This is their first time to include a SHOWROOM Senbatsu Unit in their single.
- On March 26, Tanaka Miho graduated from the group as 2nd Generation member
- On April 9, the group announced their 3rd Generation Kenkyuusei members. In addition, those members from New Wave Project Audition will be called as 2.5th Generation members of the group.
- On April 29, Yoshizaki Rinko graduated from the group as 2nd Generation member.
- On July 19, Kawamata Anna announced her graduation
- On November 5, Kawamata Anna graduated from the group as 2nd Generation member
- On November 15, the group released their full 10th Single in physical and online streaming platforms.
- On November 30, Takino Yumiko graduated from the group as 1st Generation member.
- On December 14, Oki Yuka announced her graduation.
- On December 24, Imamura Mitsuki announced her graduation.
STU48, 2024
- On February 1, Ishida Minami announced her graduation
- On February 2, Shimizu Risako announced her withdrawal from the group
- On February 3, Iwata Hina announced her graduation
- On March 18, Kai Kokoa announced that she will join and fully transfer to KLP48 starting on June 1, 2024.
- She will join along with the three (3) members of AKB48, namely Kurosu Haruka, Gyoten Yurina, and Yamane Suzuha, which was announced on March 17 during their spring concert.
- She will end her activities as a member of 1st Generation and thematic unit MiKER! until May 31.
- On March 26, all members under STU48 extracurricular "Katte ni! Shikoku Kanko Taishi" appointed as Shikoku Tourism Ambassador for 6th year of Reiwa period (2024) by Shikoku District Transport Bureau.
- On March 31, Imamura Mitsuki graduated from the group as a Captain and a member of 1st Generation.
- In addition, Shimizu Risako withdrew from the group as 3rd Generation Kenkyuusei. She is the first 3rd Generation member to be graduated or resigned from the group.
- On April 1, Okada Azumi was appointed as a new Captain of the group.
- On July 5, Kojima Aiko announced her graduation.
- On October 23, Mineyoshi Arisa announced her graduation.
- On November 30, Kojima Aiko graduated from the group as 2nd Generation member
- On December 8, Kajiwara Miu withdrew from the group as 3rd Generation Kenkyuusei
- On February 17, Ide Kanau announced her graduation.
- On March 31, Mineyoshi Arisa graduated from the group as 1st Generation member
- On April 20, Ide Kanau graduated from the group as 3rd Generation member
- On June 6, the group started to introduce their Senbatsu members (two members per night) for the upcoming 12th Single release until June 13.
- On June 14, the group formally announced through their live stream on their YouTube account of their upcoming 12th Single release. Their new single would be released on August 27, 2025.
- The selected Center for the upcoming single is Takao Sayaka.
STU48 Overall Leadership
Captain
- [2017.02.23 - 2020.01.18] - Okada Nana (AKB48 Team 4 - 14th Generation / STU48 1st Generation)
- [2020.01.18 - 2024.03.31] Imamura Mitsuki (1st Generation)
- [2024.03.31 - present] Okada Azumi (2.5th Generation)
Vice Captain
- [2020.01.18 - present] Fukuda Akari (1st Generation)
Sister Groups
|
Japanese |
Overseas |
Former Sister Groups
|
Units
Single Units
- Senbatsu (選抜)
- Undergirls (アンダーガールズ)
- CGB41
- 20th century birth member song unit (20世紀生誕メンバー)
- 21st century birth member song unit (21世紀生誕メンバー)
- ToroMichuKokko (とろみちゅこっこ)
- STU48 Vocal Senbatsu (STU48 ボーカル選抜)
- Hiro Tele! Bridal Jouhou Center (広テレ!ブライダル情報センター)
- FuuChiho (ふうちほ)
- Setouchi PR Unit (瀬戸内PR部隊)
Thematic Units
- Katte ni! Shikoku Kanko Taishi (勝手に！四国観光大使)
- STUDIO
- Charming Trip
- MiKER!
Special Units
- Aoi Himawari (青い向日葵)
Former Units
Mixed Units
- Nona Diamonds (ノナ ダイヤモンズ)
Discography
| # | Cover | Title | Release Date |
|---|---|---|---|
| 01 | 
|
Kurayami (暗闇) |
2018.01.31 |
| 02 | 
|
Kaze wo Matsu (風を待つ) |
2019.02.13 |
| 03 | 
|
Daisuki na Hito (大好きな人) |
2019.07.31 |
| 04 | 
|
Mubou na Yume wa Sameru Koto ga Nai (無謀な夢は覚めることがない) |
2020.01.29 |
| 05 | 
|
Omoidaseru Koi wo Shiyou (思い出せる恋をしよう) |
2020.09.02 |
| 06 | 
|
Hitorigoto de Kataru Kurainara (独り言で語るくらいなら) |
2021.02.17 |
| 07 | 
|
Hetaretachi yo (ヘタレたちよ) |
2021.10.20 |
| 08 | 
|
Hana wa Dare no Mono? (花は誰のもの？) |
2022.04.13 |
| 09 | 
|
Iki wo Suru Kokoro (息をする心) |
2023.03.15 |
| 10 | 
|
Kimi wa Nani wo Koukai Suru no ka? (君は何を後悔するのか?) |
2023.11.15 |
| 11 | 
|
Chiheisen wo Miteiru ka? (地平線を見ているか？) |
2025.01.15 |
| 12 | 
|
STU48 12th Single | 2025.08.27 |
| # | Cover | Title | Release Date |
|---|---|---|---|
| 01 | 
|
Natsukashii Ashita (懐かしい明日) |
2024.06.12 |
- Setouchi no Koe (瀬戸内の声) (Negaigoto no Mochigusare)
- Omoidasete Yokatta (思い出せてよかった) (11-gatsu no Anklet)
- Pedal to Sharin to Kita Michi to (ペダルと車輪と来た道と) (Jabaja)
Concerts
| # | Title | Date |
|---|---|---|
| 1 | STU48 Tandoku Concert ~Fan ni Natte Kudasai~ (STU48単独コンサート〜ファンになってください〜) |
2018.01.21 |
| 2 | STU48 Charity Concert Tour "Ganbarou! Setouchi" (西日本豪雨災害支援活動「がんばろう！瀬戸内」STU48チャリティーコンサートツア) |
2018.09.08-2018.10.03 |
| 3 | STU48 2nd Anniversary Concert (STU48 2周年記念コンサート) |
2019.03.31 |
| 4 | STU48 Zenkoku Tour 2019 ~Fune de Iku wake de wa arimasen~ (STU48 全国ツアー2019 〜船で行くわけではありません〜) |
2019.07.11 - 2020.02.24 |
| 5 | Shinshun STU48 Concert 2021 ~Setouchi kara GO TO Budoukan~ (新春STU48コンサート2021〜瀬戸内からGO TO 武道館〜) |
2021.01.15 |
| 6 | STU48 Senbatsu Concert ~Tokyo ni wa Somaranaide Kaerimasu~ (STU48選抜コンサート～東京には染まらないで帰ります。～) |
2020.01.18 |
| 7 | STU48 Ishida Chiho Solo Concert 〜Ie! ni Kaeru Made ga Chiho Kondesu〜 (STU48石田千穂ソロコンサート〜いえっ！に帰るまでがちほコンです。〜) |
2020.01.24 |
| 8 | AYAKARNIVAL 2020 | 2020.12.12 |
| 9 | Shinshun! STU48 Concert 2021 ~Setouchi kara GO TO Budoukan~ (新春！STU48コンサート2021〜瀬戸内からGO TO 武道館〜) |
2021.01.15 |
| 10 | STU48 4th Anniversary Concert ~Bokura wa Koko kara ga Sugoizo!~ (STU48 4周年コンサート〜僕らはここからが凄いぞ！〜) |
2021.03.13 |
| 11 | STU48 4th Anniversary Concert ~Sao Mirai wo Sagashi ni Ikou ka?~ (STU48 4周年コンサート〜さあ 未来を探しに行こうか？〜) |
2021.03.13 |
| 12 | STU48 Setouchi Summer Tour 2021 ~ Sunglasses Days ~ (STU48 瀬戸内サマーツアー2021～サングラスデイズ～) |
2021.07.18 - 2021.09.12 |
| 13 | STU48 Yabushita Fu Graduation Concert ～Fu ga Ita Koto～ (STU48 薮下楓卒業コンサート～楓がいたこと～) |
2021.08.08 |
| 14 | STU48 2ki Kenkyuusei Setouchi Summer Tour〜Shoukaku e no Michi・Kessen wa Nichiyoubi〜 (STU48 2期研究生 夏の瀬戸内ツアー〜昇格への道・決戦は日曜日〜) |
2021.09.12 |
| 15 | Aoi Himawari Tandoku LIVE Seishun Kakueki Teisha ~Shihatsueki Hiroshima CAVE-BE~ (青い向日葵単独LIVE 青春各駅停車〜始発駅 広島CAVE-BE〜) |
2021.09.26 |
| 16 | Charming Trip Christmas Concert | 2021.12.13 |
| 17 | STU48 Christmas Concert | 2021.12.24 |
| 18 | STU48 Okada Nana Last Concert ~Sailing day from NANA~ (STU48 岡田奈々ラストコンサート〜Sailing day from NANA〜) |
2022.03.18 |
| 19 | Kuro Fes 2022 (クロフェス 2022) |
2022.04.29 |
| 20 | STU48 5th Anniversary Concert (STU48 5周年コンサート) |
2022.07.10 |
| 21 | STU48 1st Generation 5th Anniversary Special Performance (STU1期生5周年特別公演) |
2022.10.03 |
| 22 | STU48 Setouchi PR Unit Season 2 Zenkoku Tour (STU48瀬戸内PR部隊Season 2全国ツアー) |
2022.10.10 - 2023.01.22 |
| 23 | STU48 Kenkyuusei Natsu no Setouchi Tour 2023 (STU48 研究生 夏の瀬戸内ツアー 2023) |
2023.07.02 - 2023.09.03 |
| 24 | STU48 Zenkoku Tour 2023 (STU48 全国ツアー 2023) |
2023.07.29 - 2023.09.30 |
Stages
STU48
| # | Stage name | Date | Performances |
|---|---|---|---|
| 1 | GO!GO! little SEABIRDS!! | 2019.04.16 – 2019.12.20 | 63 |
| 2 | Bokutachi no Koi no Yokan (僕たちの恋の予感) |
2020.01.11 – 2022.06.24 | 42 |
| 3 | Hana wa Dare no Mono? (花は誰のもの？) |
2022.07.30 – | TBA |
| 4 | Idol no Yoake (アイドルの夜明け) |
2025.02.27 - | TBA |
Kenkyuusei
| # | Stage name | Date | Performances |
|---|---|---|---|
| 1 | Boku no Taiyou (僕の太陽) |
2020.02.20 – 2022.07.18 2023.11.14 – |
43 TBA |
Special Stages
| # | Stage name | Date | Performances |
|---|---|---|---|
| 1 | You are My special | 2024.03.09 – 2024.04.07 | 5 |
Media Appearances
Variety
- SETOBINGO! (2018)
Web Shows
- Setouchi Gakuen (2020 - )
Radio
- STU48 no CHIRIMEN PARTY (RCC Radio)
Games
- [2017.12.29] STU48 no 7 Narabe (Smartphone app)
AKB48 Events
Senbatsu Elections
- [2017.06.17] AKB48 49th Single Senbatsu Sousenkyo
- [2018.06.16] AKB48 53rd Single Sekai Senbatsu Sousenkyo
External Links
- STU48 Official Website
- STU48 Official YouTube
- STU48 Official Twitter
- STU48 Official Instagram
- STU48 Official TikTok
- STU48 Official Solo Fanclub Site
- STU48 Official King Records Site
- STU48 on Apple Music
- STU48 on Spotify