Kobushi Factory (こぶしファクトリー)
Seishun no hana / Start Line
Release date: March 04, 2020
01 Seishun no hana
02 Start Line
03 Seishun no hana (Instrumental)
04 Start Line (Instrumental)
Oh No ounou / Haru urara
Release date: April 24, 2019
01 Oh No ounou
02 Haru urara
03 Nen ni wa nen (acapella ver.) <Additional Track>
04 Oh No ounou (Instrumental)
05 Haru urara (Instrumental)
Kitto watashi wa / Naseba naru
Release date: August 08, 2018
01 Kitto watashi wa
02 Naseba naru
03 Kitto watashi wa (Instrumental)
04 Naseba naru (Instrumental)
Kore kara da! / Ashita tenki ni naare
Release date: March 28, 2018
01 Kore kara da!
02 Ashita tenki ni naare
03 Kore kara da! (Instrumental)
04 Ashita tenki ni naare (Instrumental)
Ee ja nai ka nin ja nai ka / Shalala!
Yareru hazusa
Release date: June 14, 2017
01 Ee ja nai ka nin ja nai ka
02 Shalala! Yareru hazusa
03 Yami ni nukekake
04 PICCHI PICHI TOMODACCHI
05 Ee ja nai ka nin ja nai ka (Instrumental)
06 Shalala! Yareru hazusa (Instrumental)
07 Yami ni nukekake (Instrumental)
08 PICCHI PICHI TOMODACCHI (Instrumental)
Samba! Kobushi Janeiro
Release date: July 27, 2016
01 Samba! Kobushi Janeiro
02 BACCHI koi seishun!
03 Ora wa ninkimono
04 Samba! Kobushi Janeiro (Off vocal)
05 BACCHI koi seishun! (Off vocal)
06 Ora wa ninkimono (Off vocal)
Sakura Night Fever
Release date: February 17, 2016
01 Sakura Night Fever
02 Chotto guchoku ni! Chototsu moushin
03 Osu! Kobushi tamashii
04 Sakura Night Fever (Off vocal)
05 Chotto guchoku ni! Chototsu moushin (Off vocal)
06 Osu! Kobushi tamashii (Off vocal)
Dosukoi! Kenkyo ni daitan
Release date: September 02, 2015
01 Dosukoi! Kenkyo ni daitan
02 Ramen daisuki Koizumi-san no uta
03 Nen ni wa nen (Nen Iri Ver.)
04 Dosukoi! Kenkyo ni daitan (Off vocal)
05 Ramen daisuki Koizumi-san no uta (Off vocal)
06 Nen ni wa nen (Nen Iri Ver.) (Off vocal)
Nen ni wa nen / Survivor
Release date: March 26, 2015
01 Nen ni wa nen
02 Survivor
03 Nen ni wa nen (Off vocal)
04 Survivor (Off vocal)
