- Main article: Inoue Rei
2015-2020 (Kobushi Factory)[]
February 2015
(Nen ni wa Nen / Survivor)
(Nen ni wa Nen / Survivor)
September 2015
(Dosukoi! Kenkyo ni Daitan)
(Dosukoi! Kenkyo ni Daitan)
September 2015
(Ramen Daisuki Koizumi-san no Uta)
(Ramen Daisuki Koizumi-san no Uta)
September 2015
(Nen ni wa Nen (Nen'iri Ver.))
(Nen ni wa Nen (Nen'iri Ver.))
February 2016
(Sakura Night Fever)
(Sakura Night Fever)
February 2016
(Osu! Kobushi Tamashii)
(Osu! Kobushi Tamashii)
July 2016
(Bacchikoi Seishun!)
(Bacchikoi Seishun!)
July 2016
(Samba! Kobushi Janeiro)
(Samba! Kobushi Janeiro)
July 2016
(Ora wa Ninkimono)
(Ora wa Ninkimono)
November 2016
(Kobushi Sono Ichi)
(Kobushi Sono Ichi)
June 2017
(Shalala! Yareru Hazu sa)
(Shalala! Yareru Hazu sa)
June 2017
Ee ja nai ka Ninja nai ka
Ee ja nai ka Ninja nai ka
March 2018
(Ashita Tenki ni Naare)
(Ashita Tenki ni Naare)
March 2018
(Kore Kara da!)
(Kore Kara da!)
July 2018
(Hyokkori Hyoutanjima)
(Hyokkori Hyoutanjima)
August 2018
(Kitto Watashi wa)
(Kitto Watashi wa)
August 2018
(Naseba Naru)
(Naseba Naru)
September 2018
(YEAH YEAH YEAH)
(YEAH YEAH YEAH)
April 2019
(Oh No Ounou)
(Oh No Ounou)
April 2019
(Haru Urara)
(Haru Urara)
October 2019
(Kobushi Dai Ni Maku)
(Kobushi Dai Ni Maku)
January 2020
(Start Line)
(Start Line)
March 2020
(Seishun no Hana)
(Seishun no Hana)
2021-Present (Juice=Juice)[]
March 2021
(Ganbarenai yo)
(Ganbarenai yo)
December 2021
(Familia)
(Familia)
October 2021
(Future Smile)
(Future Smile)
March 2022
(terzo)
(terzo)
October 2022
(Zenbu Kakete GO!!)
(Zenbu Kakete GO!!)
October 2022
(Eeny Meeny Miny Moe ~Koi no Rival Sengen~)
(Eeny Meeny Miny Moe ~Koi no Rival Sengen~)
July 2023
(Pride Bright)
(Pride Bright)
July 2023
(FUNKY FLUSHIN')
(FUNKY FLUSHIN')
August 2023
(Juicetory)
(Juicetory)