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Kagaku Kyumei Kiko Logica

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Kagaku Kyumei Kiko LOGICA? : Ver.2.0 (2016)
Kagaku Kyumei Kiko LOGICA? : Ver.1.2 (2015)
Kagaku Kyumei Kiko LOGICA? promoting "Science Girl▽Silence Boy" (2012)

Kagaku Kyumei Kiko LOGICA? (科学部 科学究明機構 ロヂカ?; Scientific Investigation Department LOGICA?) is a sub unit of the Japanese idol group Sakura Gakuin. They are the seventh sub unit to debut from the group, following Twinklestars, BABYMETAL, Minipati, SCOOPERS, sleepiece and Pastel Wind. The unit was inactive after MaRi7 and Hi7TA's graduation from Sakura Gakuin on 30th March 2014. The unit officially announced a new line-up Ver.1.2 with two new members SaRA and Mg3 during the second day of their Gakuin Festival held on 1 November 2015. Isono Rinon left the unit after her graduation on March 27, 2016. Okazaki Kenkyuin was announced as the newest member for Ver.2.0 during Sakura Gakuin Festival 2016. Members from Ver.1.2 SaRA and Mg3 changed their names to Kurashima Kenkyuin and Okada Kenkyuin. Kurashima Sara left the unit after her graduation on March 25, 2017. The unit became inactive again after Okada Megumi and Okazaki Momoko graduated from Sakura Gakuin on March 24, 2018.

Graduated Members

Ver.2.0 (2016-2017)

Ver.1.2 (2015-2016)

  • RiNon (Leader) (Graduated, March 27, 2016)
  • SaRA (Graduated, March 25, 2017)
  • Mg3 (Graduated, March 24, 2018)

Ver.1.0 (2012-2014)

  • MaRi7 (Leader) (Graduated, March 30, 2014)
  • Hi7TA (Graduated, March 30, 2014)
  • RiNon (Graduated, March 27, 2016)




  1. Science Girl▽Silence Boy (サイエンスガール▽サイレンスボーイ) (Science Girl▽Silence Boy)
  2. Yume wo Hodoku Riron (ユメを解く理論) (Science Girl▽Silence Boy)
  3. IMA ELEMENT with Element Girls (エレメントガールズ) (Science Girl▽Silence Boy)
  4. Delta (デルタ) (Sakura Gakuin 2012 Nendo ~My Generation~)
  5. Welcome to My Computer (Ganbare!!)
  6. Science Girl▽Silence Boy 80kidz Remix (サイエンスガール▽サイレンスボーイ 80kidz Remix) (Houkago Anthology from Sakura Gakuin)
  7. Science Girl▽Silence Boy (サイエンスガール▽サイレンスボーイ) (Sakura Gakuin 2015 Nendo ~Kirameki no Kakera~)
  8. Delta (デルタ) (Sakura Gakuin 2016 Nendo ~Yakusoku~)

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