|Birthdate||August 4, 1995|
(2 Years 3 Months)
|Team||Former Team E|
|Generation||1st Generation Draft Members|
- 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!
- 2013.09.22 - Shifted to being a AKB48 Group Draft Kaigi 2013 Finalist
- 2013.11.10 - Drafted into Team E
- 2014.02.24 - Promoted to Team E (AKB48 Group Daisokaku Matsuri)
- 2016.02.23 - Graduated from SKE48 Team E (Announcement: February 10, 2016 | Last activity: March 21, 2016)
AKB48 Senbatsu Elections
- Banana Kakumei (Bukiyou Taiyou)
- Seishun Curry Rice (12-gatsu no Kangaroo)
- Oto wo Keshita Terebi (Coquettish Juutai Chuu)
- Nagai Yume no Labyrinth (Maenomeri)
- Debuted on September 22, at the AKB48 Group Draft Kaigi 2013
- Hobbies: Travelling, shopping, Listening to music
- Favorite food: Pudding
- Favorite phrase: From a pebble to a jewel!
- Special skill: Cooking
- Future ambition: To enter Senbatsu
- Light Stick Colors: Pink, White
- 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
- Enjoys making puns with her name, Koishi (Pebble)
- Aspires to be like Takahashi Minami
- Team E's 1st choice at the Draft
- First draft member to perform a full stage show
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