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.）; Dosukoi! Humble but Daring / The Song of Ramen Loving Koizumi-san / Look Before You Leap (Thorough ver.)'') is Kobushi Factory's 1st major label single. It was 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 (Dosukoi! Kenkyo ni Daitan)
 * [2015.09.04] The Girls Live (Dosukoi! Kenkyo ni Daitan)
 * [2015.09.07] Musíc Japan (Ramen Daisuki Koizumi-san no Uta)

Concert Performances

 * Dosukoi! Kenkyo ni Daitan
 * Hello! Project 2015 SUMMER
 * TOKYO IDOL FESTIVAL 2015
 * Hello Pro Kenshuusei Happyoukai 2015 ~9gatsu no Nama Tamago Show!~
 * Ramen Daisuki Koizumi-san no Uta
 * Hello! Project 2015 SUMMER
 * TOKYO IDOL FESTIVAL 2015
 * 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

!Ref
 * 2015
 * September
 * TBA
 * TBA
 * }
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Total reported sales: 34,639*

Other Chart Rankings
!Ref
 * Austria
 * iTunes Top J-POP Albums
 * align="center"|1
 * align="center"|
 * 🇨🇦
 * iTunes Top J-POP Albums
 * align="center"|45
 * align="center"|
 * Hong Kong
 * iTunes Top J-POP Albums
 * align="center"|56
 * align="center"|
 * rowspan="3"|🇯🇵
 * iTunes Top Album
 * align="center"|52
 * align="center"|
 * iTunes Top J-POP Albums
 * align="center"|16
 * align="center"|
 * Music Station
 * align="center"|4
 * align="center"|
 * 🇬🇧
 * iTunes Top J-POP Albums
 * align="center"|20
 * align="center"|
 * rowspan="2"|🇺🇸
 * iTunes Top J-POP Albums
 * align="center"|1
 * align="center"|
 * iTunes New Music Releases
 * align="center"|15
 * align="center"|
 * rowspan="2"|🇺🇸
 * iTunes Top J-POP Albums
 * align="center"|1
 * align="center"|
 * iTunes New Music Releases
 * align="center"|15
 * align="center"|
 * align="center"|15
 * align="center"|

Trivia

 * The single was announced on June 14th, 2015 during Nama Tamago show.
 * This is Kobushi Factory's first triple-A side single.