Plus One

Plus One (プラスワン) was an idol group. They were formed in June 2016 under the name Koi Suru Freak (恋するフリーク). In April 2019 they changed their name to Koifuri. In August 2019 they changed again to Plus One with the addition of three new members.

On June 25, 2020, it was announced that six of the current members would be graduating on August 25, 2020 and the group would restart with a new lineup.

In September 2020, the group began promotions with the new member lineup.

On October 9 2021, the group announced its disbandment, and they held their final live on November 13, 2021.

Final Line-Up

 * Yokoyama Hana (横山花奈; ) (Original Member)
 * Chiba Heri (千葉妃理; ) (Joined July 2018)
 * Osaki Tsukihi (大﨑月陽; ) (Joined September 2020)
 * Kurihara Emiru (栗原えみる; ) (Joined September 2020)
 * Mitsui Nanako (三井菜々子; ) (Joined September 2020)

Former Members

 * Chihara Makino (千原万樹乃) (Original Member, Graduated March 2017)
 * Midorikawa Haruna (緑川春菜) (Original Member, Contract Cancelled March 2017)
 * Honda Shiori (本夛栞) (Original Member, Graduated July 2018)
 * Anai Juno (穴井樹乃) (Original Member, Graduated July 2018)
 * Yamada Minami (山田南実) (Joined May 2017, Graduated December 2018)
 * Sakaguchi Minori (坂口実莉) (Joined May 2017, Left July 2019)
 * Tsukagoshi Riko (塚越莉香; ) (Joined May 2017; Graduated August 25, 2020)
 * Nojima Hina (野島日菜; ) (Joined July 2018; Graduated August 25, 2020)
 * Ishii Kanon (石井華音; ) (Joined July 2018; Graduated August 25, 2020)
 * Yokoto Ayu (横戸愛侑; ) (Joined August 2019; Graduated August 25, 2020)
 * Masuda Eimi (増田英美; ) (Joined August 2019; Graduated August 25, 2020)
 * Hakozaki Aika (箱崎愛華; ) (Joined August 2019; Graduated August 25, 2020)

Singles

 * 1) [2020.04.21] Kimi e no Tobira (キミヘノトビラ)