Dosukoi! Kenkyo ni Daitan / Ramen Daisuki Koizumi-san no Uta / Nen ni wa Nen (Nen'iri Ver.)

'''Dosukoi! Kenkyo ni Daitan / Ramen Daisuki Koizumi-san no Uta / Nen ni wa Nen (Nen'iri Ver.)''' (ドスコイ！ケンキョにダイタン / ラーメン大好き小泉さんの唄 / 念には念（念入りVer.）) is Kobushi Factory's 1st major label single. It is set to be released on September 2, 2015 in six editions: three regular and three limited editions.

"Ramen Daisuki Koizumi-san no Uta" is a cover of a Sharan Q song, and is the theme for the drama Ramen Daisuki Koizumi-san.

CD Tracklist

 * 1) Dosukoi! Kenkyo ni Daitan
 * 2) Ramen Daisuki Koizumi-san no Uta
 * 3) Nen ni wa Nen (Nen'iri Ver.)
 * 4) Dosukoi! Kenkyo ni Daitan (Instrumental)
 * 5) Ramen Daisuki Koizumi-san no Uta (Instrumental)
 * 6) Nen ni wa Nen (Nen'iri Ver.) (Instrumental)

Limited Edition A DVD

 * 1) Dosukoi! Kenkyo ni Daitan (Music Video)

Limited Edition B DVD

 * 1) Ramen Daisuki Koizumi-san no Uta (Music Video)

Limited Edition C DVD

 * 1) Nen ni wa Nen (Nen'iri Ver.) (Music Video)

Featured Members

 * Fujii Rio
 * Hirose Ayaka
 * Nomura Minami
 * Ogawa Rena
 * Hamaura Ayano
 * Taguchi Natsumi
 * Wada Sakurako
 * Inoue Rei

Single Information

 * Dosukoi! Kenkyo ni Daitan
 * Lyrics & Composition: Hoshibe Sho
 * Arrangement: Kikuya Tomoki
 * Ramen Daisuki Koizumi-san no Uta
 * Lyrics: Tsunku
 * Composition: Sharan Q
 * Arrangement: Dance☆Man
 * Nen ni wa Nen (Nen'iri Ver.)
 * Lyrics & Composition: Abesho
 * Arrangement: Suzuki Shunsuke

TV Performances

 * [2015.07.23] The Girls Live (Ramen Daisuki Koizumi-san no Uta)
 * [2015.08.28] The Girls Live (Nen ni wa Nen (Nen'iri Ver.))
 * [2015.09.02] Oha Suta

Concert Performances

 * Dosukoi! Kenkyo ni Daitan
 * Hello! Project 2015 SUMMER
 * Hello Pro Kenshuusei Happyoukai 2015 ~9gatsu no Nama Tamago Show!~
 * Ramen Daisuki Koizumi-san no Uta
 * Hello! Project 2015 SUMMER
 * Hello Pro Kenshuusei Happyoukai 2015 ~9gatsu no Nama Tamago Show!~
 * Nen ni wa Nen (Nen'iri Ver.)
 * Hello Pro Kenshuusei Happyoukai 2015 ~9gatsu no Nama Tamago Show!~

Oricon Chart

 * Daily & Weekly Rankings


 * Monthly Ranking

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 * September
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Trivia

 * The single was announced on June 14th, 2015 during Nama Tamago show.
 * This is Kobushi Factory's first triple-A side single.
 * Dosukoi! Kenkyo ni Daitan and Ramen Daisuki Koizumi-san no Uta were performed on TOKYO IDOL FESTIVAL 2015.