'''Umeta Ayano'''

Born on March 20, 1999 in Tokyo.

* AffectionateNickname: Umetan
'''Oshima Ryoka'''

Born on 21 August 1998 in Kanagawa Prefecture. Named Team B's vice captain in the 2015 shuffle.
* AffectionateNickname: Ryo-chan
* AnnoyingYoungerSibling: A joke among older members is that she fulfills this role along with some of the other younger members called the kgsk or “kuso gaki” (“annoying kids”).
'''Kashiwagi Yuki'''

Born on 15 July 1991 in Kagoshima prefecture.

Was the former captain of Team B from the 2009 team shuffle to until the 2012 team shuffle.
A concurrent member with NMB's Team N from 2014 to the 2015 shuffle, where she was appointed to become a concurrent member with NGT's Team NIII. She's one of the original Team B members.

Has two solo singles: "Shortcake" and "Birthday Wedding".

Sub-units she's been in are:
*** French Kiss
*** [=BKA48=]

* AffectionateNickname: Yukirin, Black Kashiwagi, Marimokkori
* BewareTheNiceOnes: Often called black-hearted by the other members.
* BreastExpansion: Some of the fans accused her of getting breast enhancement surgery and she angrily denied the accusations.
* FeminineWomenCanCook: Subverted. She can't even crack an egg properly.
* ImageSong: Apart from her two solo singles "Shortcake" and "Birthday Wedding", "Yokaze no Shiwaza" from Team B 5th Stage, "Chinmoku" from French Kiss' single "If", "Mayonaka no Hamigaki" from French Kiss' single "Saisho no Mail" and "Kazanbai" from French Kiss' single "Romance Privacy".
* LargeHam: Usually very feminine and ladylike, but she goes all out when reacting to something.
* NewTransferStudent: To NMB's Team N, where she held a concurrency, and currently to NGT's Team NIII. Ironically, she's much older than most of their members (except Kitarie, who was moved there from AKB anyway)
* TheOjou
* ReactionShot: There's a reason she's called the "Reaction Queen".
* {{Seiyuu}}: Voiced Rumi Fujisaki in ''Manga/SketDance'' and Marimo Nogami in the OVA ''Marimo no Hana''.
'''Kizaki Yuria'''

Born on February 11, 1996 in Aichi Prefecture

Originally from SKE’s Team S, moved to AKB’s Team 4 as co-captain during the 2014 shuffle. Moved to Team B and made captain on the 2015 shuffle.
* AffectionateNickname: Yuria, Peace
* AscendedExtra: In the 3rd elections she made it to Undergirls from being not ranked, and in 2013 and 2014 she's placed even higher.
* BookDumb
* NewTransferStudent: Fully transferred from SKE.
* OtakuSurrogate: A big fan of shoujo manga, she even talks to Creator/ArinaTanemura on Twitter from time to time.
'''Takeuchi Miyu'''

Born on 12 January 1996 in Tokyo.
* AffectionateNickname: Miyumiyu
* ElegantClassicalMusician: Has absolute pitch and can play the trumpet, the guitar and the piano, the latter since she was two years old.
* {{Seiyuu}}: Voiced the minor character Hazuki Yanagikawa in [=AKB48=]'s official anime ''[=AKB0048=]'', although she's hardly noticeable.
'''Tatsuya Makiho'''

Born on October 19, 2001 in Tokyo

* AffectionateNickname: Maki, Makichan
* TheBusCameBack: A tentative kenkyuusei for the 15th generation, she was officially made a kenkyuusei in October 2013.
'''Tanabe Miku'''

Born on 2 December 1992 in Shiga prefecture.

One of the original Team B members.
* AffectionateNickname Tanamin
* DemotedToExtra: Despite being an original Team B member, she's never ranked in the elections. She's only been featured in senbatsu once, in the Janken single "Chance no Junban".
** [[CrowningMomentOfHeartwarming Finally ranked during the 2014 elections at 71st.]]
* OtakuSurrogate: As her catchphrase in B Garden denotes: "Pour me a glass / And let's talk about wota stuff".
'''Nozawa Rena'''

Born on May 6, 1998 in Nagoya.

Originates from JKT’s Team J, that she held a concurrency with while in Team K for a while, but was officially moved to just Team B during the 2014 shuffle.

* AffectionateNickname: Rena-chan
* AscendedExtra: She's the first original JKT member to hold a concurrent position in AKB and to participate in the Janken tournament.
* ButNotTooForeign: She was born in Japan, but has lived since she was young in Indonesia due to her parents' work.
** BilingualBonus: Due to this, she's fluent in both Indonesian and Japanese. She also speaks English and French.
* KindheartedCatLover
* NewTransferStudent: She's originally from JKT. She was going to announce her graduation because her parents were going back to Japan and she couldn't stay in Indonesia by herself. A manager interrupted her speech and offered her to become a concurrent member on AKB during her stay in Japan.
'''Fukuoka Seina'''

Born on August 1, 2000 in Kanagawa Prefecture.

* AffectionateNickname: Seichan
'''Yokoshima Aeri'''

Born on December 17, 1999 in Aichi.

Team B’s first pick in the 2013 draft.
* AffectionateNickname: Aerin
* [[AscendedFanboy Ascended Fangirl]]
* IdenticalStranger: Noted by fans to resemble Matsui Jurina.
* PassionateSportsGirl: Good at sports, specially dodgeball.
'''Watanabe Mayu'''

Born on 26 March 1994 in Saitama Prefecture. One of the founder members of Team B and AKB's current center after the 2014 elections.

Has also released 5 solo singles.

Sub-units she's been in are:
*** Watarirouka Hashiritai
*** Team Dragon from Music/{{AKB48}}
*** Miracle Planet

* AffectionateNickname Mayuyu
* CuteButCacophonic: Subverted. Although she has one of the highest pitched voices in Music/{{AKB48}}, her singing voice is really quite nice and cute.
* DoesThisRemindYouOfAnything: Her third single, "Hikaru Monotachi", is basically a parody of the Music/{{Vocaloid}} phenomenon.
* ExpositoryHairstyleChange: Grew out of her twintails in 2014, and in 2015 she got her hair cut shorter.
* GameBreakingInjury: Got injured several times, causing her to miss out on several early stage performances.
* GirlishPigtails: Her trademark hairstyle. However, lately she's been growing out of them.
** She even collaborated with the [[TheRival official rival group]] Nogizaka46 on a song called "Twin Tail wa Mou Shinai"(No More Twin Tails).
* ImageSong: Any of her singles' songs, along with "Zannen Shoujo" (from Team B 4th Stage) and "Nantai Renai Kuragekko" (from Watarirouka Hashiritai's single "Seishun no Flag"), as well as her senbatsu single "Kokoro no Placard".
* OtakuSurrogate: Self proclaimed!
** She even has an unofficial group, aptly titled Ota4, aka Otaku 4 with 3 other members.
* RobotGirl: Members of AKB jokingly call her CG ("Cyborg Girl") due to the fact that she doesn't sweat at all.
* {{Seiyuu}}: Voices Chieri Sono in their official anime: ''Anime/{{AKB0048}}''. She also voiced Natsuki Ryouura in Creator/{{Sunrise}}'s movie ''Nerawareta Gakuen''.
* SpotlightStealingSquad: Managed to rank first in the 2014 election, managing to beat Sashihara Rino, the previous number one.