Koishi Kumiko

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Koishi Kumiko
Koishi Kumiko (2015)
Kanji 小石公美子
Kana こいし くみこ
Romaji Koishi Kumiko
Nickname Koishichan (小石ちゃん), Kumichan (くみちゃん)
Birth Info
Birthdate August 4, 1995  
Birthplace Flag of Japan.png Hyogo, Japan
Blood type B
Current Age 27 Years Old
Height 160cm
Professional Info
Agency **
Social Networks **
Idol Career Info
Former Group SKE48
Former Team Team E
Debuted November 2013 / Draft 1st Generation
Graduated February 2016

Koishi Kumiko was a member of SKE48's Team E.


Anata mo kyou de Koishi-chan ni (issho ni onegaishimasu!) Koishichau~!!! Watashi datte migakeba hoseki ni nareru yo! Hyogo-ken kara kimashita! Koishi Kumiko desu!
Today you will (All together please!) fall in love~!!! with Koishi-chan, too! If I can become polished, I can even turn into a jewel! I came from Hyogo prefecture! I'm Koishi Kumiko!


  • Team E's 1st choice at the Draft
  • Lightstick colors: Pink, White
  • Hobbies: Travelling, shopping, Listening to music
  • Special skill: Cooking
  • Future dream: To enter Senbatsu
  • Favorite food: Pudding
  • Favorite phrase: From a pebble to a jewel!
  • She was the first draft member to perform a full stage show
  • She was known for her high-pitched voice which doesn’t match her looks and special “voice percussion” (rap) she does during MCs, mostly aiming insults at her fellow teammates.
  • She enjoys making puns with her name, Koishi (Pebble).
  • She aspired to be like Takahashi Minami.

AKB48 Senbatsu Elections

Team History

2013 Member Draft PoolSKE48 KenkyuuseiTeam E → Graduation
Joined as AKB48 Group Draft Kaigi 2013 Finalist on September 22, 2013
Drafted into Team E on November 10, 2013
Promoted to Team E on February 24, 2014 (AKB48 Group Daisokaku Matsuri)
Graduated from SKE48 Team E on February 23, 2016 (Announcement: February 10, 2016 | Last activity: March 21, 2016)

Singles Participation

SKE48 B-Sides


Stage Units

E3 (Boku no Taiyou)
Idol Nante Yobanaide (Under)
E4 (Te wo Tsunaginagara)
Wimbledon e Tsuretette


Koishi Kumiko (December 2015)
Koishi Kumiko (2014)
Koishi Kumiko (2014)
Koishi Kumiko (2013)