|Birthdate||August 1, 2000|
|Current Age||22 Years Old|
|Social Networks||7gogo / Instagram / note / SHOWROOM / Twitter|
|Idol Career Info|
|Debuted||June 2013 / 15th Generation|
- 1 Trivia
- 2 History
- 3 AKB48 Senbatsu Elections
- 4 AKB48 Janken Tournaments
- 5 Team History
- 6 Singles Participation
- 7 Albums Participation
- 8 Units
- 8.1 Jankenmin
- 8.2 Stage Units
- 8.3 Concert Units
- 8.3.1 AKB48 Group Kenkyuusei Concert ~Oshimen Hayai Mono Gachi~
- 8.3.2 AKB48 8th Anniversary
- 8.3.3 AKB48 Kouhaku Utagassen 2013
- 8.3.4 AKB48 Request Hour Setlist Best 200 2014
- 8.3.5 AKB48 Tandoku Haru Con in Kokuritsu Kyougiba 〜Omoide wa Zenbu Koko ni Sutete Ike!〜
- 8.3.6 AKB48 Zenkoku Tour 2014
- 8.3.7 AKB48 9th Anniversary
- 8.3.8 AKB48 Kouhaku Utagassen 2014
- 8.3.9 AKB48 Request Hour Setlist Best 1035 2015
- 8.3.10 AKB48 Young Members Nationwide Tour 〜Mirai wa Ima Kara Tsukurareru〜
- 8.3.11 AKB48 Manatsu no Tandoku Concert in SSA 〜Kawaei-san no Koto ga Suki Deshita〜
- 8.3.12 Kojimatsuri ～Kojima Haruna Kanshasai～
- 8.3.13 Hotei Sokudo to Yuuetsukan Fresh All Stars Concert ~Zero Position no Mirai~
- 8.3.14 AKB48 Tandoku Concert ~Jabajatte Nani?~
- 8.3.15 AKB48 Zenkoku Tour 2019
- 8.3.16 2020 AKB48 shin Unit Live Matsuri Kaisai Kettei no Oshirase
- 8.3.17 AKB48 Dobbon! 1 Year Anniversary Live
- 8.3.18 MX Matsuri! AKB48 60th Single "Hisashiburi no Lipgloss" Announcement Commemoration Concert in Budokan 2022
- 8.3.19 AKB48 Dobbon! 2 Year Anniversary Live!
- 9 Media Appearances
- 10 Gallery
- Admired members: Kojima Haruna, Kitazawa Saki, Iwatate Saho, Suzuki Shihori
- Hobbies: Reading
- Favorite food: Apples, potato chips, consommé, chocolate
- Favorite subjects: History, society, languages
- Good friends with: Okada Kanna, Sato Kiara, Ichikawa Manami
- Motto: "To stand still is to go backwards"
- Future ambition: Actress, theater actress
- Member of the unofficial "Aoichigo" sub-unit with Komiyama Haruka, Ichikawa Manami and Yumoto Ami
- She auditioned for AKB48 with her sister. Her sister was a longtime AKB48 fan, but unfortunately did not pass the auditions with Seina.
- Her first performance as an AKB48 member was as a back-dancer for a Team K 1st Waiting Stage theater show on April 30, 2013. This was before the 15th Generation was officially unveiled, on June 5th, 2013.
- A photo of her and the other 15th generation back-dancers was posted on theater manager Yuasa Hitoshi's twitter account after the show. Because their names had not been revealed, Seina was called "Upper-Left-chan" by fans, as she appeared in the upper-left corner of the photo.
- She is sometimes called "Cornet Seina" because she has played the cornet (musical instrument) since elementary school. She also plays trumpet and trombone.
- She can spin a plate on top of a long stick that she holds in her hands (this is a popular circus act called plate spinning).
- She likes the manga series Silver Spoon and Full Metal Alchemist (both are written by Arakawa Hiromu).
- She likes the bands Mr. Children, B'z, and Ikimonogakari. Her audition song was "Nakumonka" by Ikimonogakari.
- She is a fan of voice actress Hirano Aya.
- Her favorite AKB48 songs are Sasameyuki Regret, ALIVE, and Osaekirenai Shoudou (her center song). Her favorite song to perform, however, is Honest Man.
- In 2015 she would often ask Komiyama Haruka to take photos for her, as she liked the quality of Haruka's phone camera.
- On December 3, 2017 she completed a 32 kilometer marathon, which she promised her fans she would do if she ranked in her target Top 32 in the 2017 Senbatsu Election. She ranked at 32nd place exactly.
- She wants to visit Italy so she can eat Italian food.
- In June 2022 she appeared in the stage play Zip & Candy, double cast with Muto Orin.
- She likes shopping for plates and mugs.
- She makes personalized earrings for other members.
- She was the captain of the dessert team in the AKB48 Cooking Senbatsu Competition.
- In January, passed the auditions for AKB48's 15th Generation.
- On April 30th, had her debut as a backing dancer at Team K 1st Waiting Stage.
- On June 5th, had her official debut as an AKB48 Kenkyuusei at the AKB48 Group Kenkyuusei Concert ~Oshimen Hayai Mono Gachi~.
- On June 9th, had her theater debut for the Pajama Drive stage.
- On October 30th, was part of her first AKB48 song with Kimi no Hitomi wa Planetarium.
- On February 24th, during the AKB48 Group Daisokaku Matsuri, was promoted to Kuramochi Team B.
- On May 5th, had her debut as Team B member with Pajama Drive.
- On November 26th, was part of her first AKB48 song as a promoted member for Ima, Happy.
- On March 26th, during the AKB48 Spring Concert 〜Jikiso Imada Shugyouchu!〜 concert, stayed with Kizaki Team B.
- On August 27th, was a senshuuraku member for Pajama Drive.
- On September 16th, during the 2015 Janken Tournament ranked 16th.
- From October 7th to 12th, was part of Gekidan TEAM-ODAC's 19th stage play "Bokura no Shinya Kousoku" (僕らの深夜高速).
- On October 25th, was chosen as a member for the unit Mushi Kago.
- On November 12th, was part of the Boku ga Koko ni Iru Riyuu stage.
- Released on December 23rd, was part of Kimi wa Ima made Doko ni Ita? for placing 16th at the Janken Tournament.
- On December 26th, was a shonichi member for Team B's Tadaima Renaichuu stage.
- On February 18th, was part of the Ichigochanzu Stage, chosen by Takahashi Minami.
- From April 6th to 10th, was part of Gekidan TEAM-ODAC's 21st stage play "Chiisana Kekkonshiki" (小さな結婚式).
- On May 20th, during the 8th Senbatsu Election, ranked for the first time at #97 ('rank-out').
- From July 25th to August 5th, was part of the Majisuka Gakuen 〜Lost in the SuperMarket〜 stage play.
- From September 7th to 11th, was part of Gekidan TEAM-ODAC's 22nd stage play "MOON&DAY 〜Uchi no Tama Shirimasenka?" (MOON&DAY 〜うちのタマ知りませんか?〜).
- On October 10th, during the 2016 Janken Tournament, ranked 5th.
- On November 16th, received her first center role for the High Tension B-side Osaekirenai Shoudou.
- Released on December 21st, was part of Sakasazaka by Jankenmin for placing 5th at the Janken Tournament.
- On February 28th, was a shonichi member for Minerva yo, Kaze wo Okosen.
- On June 17th, at the 9th Senbatsu Election, ranked in for the first time at #32 (Undergirls).
- On December 8th, at the AKB48 12th Anniversary Shuffle, stayed with Takahashi Team B.
- On March 19th, was chosen for her first senbatsu for Teacher Teacher.
- On July 3rd, started her own radio show "AKB48 Fukuoka Seina no SHIBUYA DE SHINING" on Shibuya Cross-FM.
- On November 28th, was chosen for her second center position for Yume e no Process (B-side on NO WAY MAN).
- On July 20, appeared in the special AKBINGO NEO episode 2 for ranking 1st place for the Club Oshi Ranking in the AKB48 no Dobboun! Hitori Jime app event.
- On December 8th, at the AKB48 16th Anniversary Team Shuffle, it was announced she would be transferred to Mukaichi Team A.
- On March 19th, was part of the senshuuraku performance for Team B's Theater no Megami stage.
- On March 23rd, had her first appearance on AKB48, Saikin Kiita? ~Issho ni Nanka Yatte Mimasen ka?~ (AKB48、最近聞いた？～一緒になんかやってみませんか？～).
- On April 19th, was transferred to Mukaichi Team A.
- On May 4th, had her final appearance on AKB48, Saikin Kiita? ~Issho ni Nanka Yatte Mimasen ka?~ (AKB48、最近聞いた？～一緒になんかやってみませんか？～).
- On May 21st and 28th, appeared in episodes 1 and 2 of AKB48 no Uta (AKB48の歌).
- In June, appeared in the stage play "Zip & Candy".
AKB48 Senbatsu Elections
- 6th Senbatsu Election - Not Ranked
- 7th Senbatsu Election - Not Ranked
- 8th Senbatsu Election - #97
- 9th Senbatsu Election - #32 (Undergirls)
- 10th Senbatsu Election - #31 (Undergirls)
AKB48 Janken Tournaments
- 4th Janken Taikai - Didn't Qualify
- 5th Janken Taikai - Round 1 (Lost to Iwatate Saho)
- 6th Janken Taikai - #16 (Lost to Fujita Nana)
- 7th Janken Taikai - #5 (Lost to Shibuya Nagisa)
- AKB48 Kenkyuusei → Team B → Team A
- Chireba ii no ni... (Tsugi no Ashiato)
- Koko ga Rhodes da, Koko de tobe! (Koko ga Rhodes da, Koko de tobe!)
- To go de (Koko ga Rhodes da, Koko de tobe!)
- Music Junkie (0 to 1 no Aida)
- Soredemo Suki da yo (Solo)
MX Matsuri! AKB48 60th Single "Hisashiburi no Lipgloss" Announcement Commemoration Concert in Budokan 2022
- New Team Concert
- Day 3
- AKBINGO! (2014-2019)
- AKB48 no Anta, Dare? (2014-2017)
- AKB Kanko Taishi (2014)
- AKB48, Saikin Kiita? ~Issho ni Nanka Yatte Mimasen ka?~(AKB48、最近聞いた？～一緒になんかやってみませんか？～) (2022)
- Bokura no Shinya Kousoku (僕らの深夜高速) (2015)
- Chiisana Kekkonshiki (小さな結婚式) (2016)
- Majisuka Gakuen ～Lost in the Supermarket～ (マジすか学園 〜Lost in the SuperMarket〜) (2016)
- MOON&DAY 〜Uchi no Tama Shirimasenka? (MOON&DAY 〜うちのタマ知りませんか?〜) (2016)
- Zip & Candy (2022)
- AKB48 Fukuoka Seina no SHIBUYA DE SHINING (2018)
Fukuoka Seina 10th Senbatsu Election Poster (2018)
Fukuoka Seina (2018)
Fukuoka Seina 9th Senbatsu Election Poster (2017)
Fukuoka Seina (2017)
Fukuoka Seina 8th Senbatsu Election Poster (2016)
Fukuoka Seina (2016)
Fukuoka Seina (2015)
Fukuoka Seina (2014)
Fukuoka Seina (2013)