Oshima Ryoka

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Oshima Ryoka (大島涼花)
Ryoochan (りょーちゃん)
Oshima Ryoka (2017)
Birth Info
Birthdate October 21, 1998
Birthplace Kanagawa, Japan
Bloodtype O
Current Age 20 Years Old
Height 152cm
Professional Info
Social Networks Instagram / Twitter
Idol Career Info
Former Group AKB48
Former Team Team B
Debuted September, 2011 / 13th Generation
Graduated June, 2017

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


  • Admired Member: Oshima Yuko
  • Hobbies: Dancing, collecting stickers
  • Favorite AKB48 song: Kaiyuugyo no Capacity
  • Favorite characters: Teletubbies, Sponge Bob
  • Favorite colors: Yellow, pink
  • Favorite drink: Tea
  • Favorite foods: Tomatoes, strawberries, ramen
  • Favorite member: Owada Nana
  • Good friends with: Aigasa Moe, Tano Yuuka, Takahashi Juri, Kato Rena
    • Is very close friends with Aigasa Moe. They went to elementary school together and were best friends for four years before auditioning for AKB48
      • In middle school, the two of them would dance Oogoe Diamond and pretend to be AKB48 members together
  • Future ambition: Actress who can work in various kinds of dramas
  • 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 Yuuka and Takahashi Juri
    • Her B Garden line reads: "I may be a tiny flower / But when it comes to dance, I'm a KSGK you can rely on"
  • Loves playing pranks

AKB48 Senbatsu Elections

AKB48 Janken Tournaments

Team History

AKB48 KenkyuuseiTeam ATeam B → Graduation
Joined AKB48 as a Kenkyuusei on September, 2011
Promoted to Team A on August 24, 2012 (Tokyo Dome Team Shuffle)
Transferred to Team B on February 24, 2014 (AKB48 Group Daisokaku Matsuri)
Graduated from AKB48 Team B on June 8, 2017 (Announcement: March 23, 2017 | Last Handshake Event: June 4, 2017)

Singles Participation

AKB48 A-Sides

AKB48 B-Sides

Albums Participation

AKB48 Albums


Stage Units

Kokoro no Hashi no Sofa
Skirt, Hirari
Tenshi no Shippo
Tsundere! (New Units)
B3 Revival (Pajama Drive)
Pajama Drive
SS2 (Seishun wa mada owaranai)
B6 (Tadaima Renaichuu)

Concert 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

Kojimatsuri ~Kojima Haruna Kanshasai~

Media Appearances

Variety Shows



Oshima Ryoka 8th Senbatsu Election Poster (2016)
Oshima Ryoka (2016)
Oshima Ryoka (2015)
Oshima Ryoka (2014)
Oshima Ryoka (2013)
Oshima ryoka.jpg
Oshima Ryoka (Late 2012)
Oshima Ryoka (Early 2012)