Oshima Ryoka
2017 AKB48 Oshima Ryoka
Oshima Ryoka, 2017
Nickname Ryoochan (りょーちゃん?)
Birthdate October 21, 1998 (1998-10-21) (age 19)
Birthplace Kanagawa, Japan
Bloodtype O
Zodiac Sign Libra Libra
Height 145cm[1]
Professional Information
Genres J-Pop
Occupation Singer, Idol, Actress
Years Active 2011-present
(6 years)
Agency AKS
Group AKB48
Team Team B
Generation 13th Generation AKB48
Associated Acts AKB48, SKE48, NMB48, HKT48, Nogizaka46, SNH48, JKT48
Blog 20px-755_logo.png 大島涼花 (AKB48)
Google+ 15px-Google_plus_icon.svg.jpg +大島涼花
Graduated June 8, 2017

Name Spelling
Birth Name
Kanji 大島涼花
Hiragana おおしま りょうか
Katakana オオシマ リョウカ
Romaji Oshima Ryoka

Oshima Ryoka was the co-captain of AKB48's Team B.

Team History




September 24: Passed AKB48's 13th generation audution.

December 8: Performing Aitakatta with all of AKB48's 13th gen member as Debut in AKB48 6th Theater Anniversary Concert


On August 24, she was promoted to Team A at AKB48's Tokyo Dome Concert alongside Mitsumune Kaoru


July 3: Being member of Yokoyama Team A

Discography Participation


Stage Units



B3 Revival (Pajama Drive)

SS2 (Seishun wa mada owaranai)

B6 (Tadaima Renaichuu)

Concert Shuffle Units

Gyomu Renraku. Tanomuzo, Katayama Bucho! in Saitama Super Arena

AKB48 in TOKYO DOME ~1830m no Yume~

AKB48 Kouhaku Utagassen 2012

Unit Matsuri 2013

AKB48 8th Anniversary

AKB48 Kouhaku Utagassen 2013

AKB48 Request Hour Setlist Best 200 2014

AKB48 Zenkoku Tour 2014


AKB48 Kouhaku Utagassen 2014

AKB48 x JKT48 Concert "Bergandengan Tangan Bersama Kakak"

Takajo Aki and Nagao Mariya Graduation Concert


  • She was promoted on the Tokyo Dome team shuffle.
  • Her desired job is to be an actress who can work in varied kinds of dramas.
  • The member she admires the most is Oshima Yuko.
  • Her height was 145cm on her 1st promotional interview[2] which she considers as her "charm point".[3]
  • She was named the "ace" of the 13th generation.
  • Considered the leader of the ksgk (kusogaki, "annoying kids"). The ksgk also includes Kawaei Rina, Tano Yuka, and Takahashi Juri.
  • She loves to play pranks.
  • She is very close with fellow 13th generation member Aigasa Moe. They went to elementary school together, and were best friends for four years before auditioning for AKB48.
    • Both used to dance Oogoe Diamond together and pretend to be AKB48 members.

External Links



  1. Kōdansha “AKB48 Sousenkyo Koshiki Guide Book 2014”
  2. BOMB 2012 September
  3. 2013.04.03 - TechInsight Japan.