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.

Trivia

 * The single was announced on June 14th, 2015 during Nama Tamago show.