81moment

 is an idol group formed in August 2015.

Current Members

 * Murasaki Futaba (村咲ふたば) (Joined August 2017)
 * Takanashi Ayaka (小鳥遊彩花) (Joined June 2020)
 * Momose Mai (百瀬まい) (Joined June 2020)
 * Mochimiya Riyo (餅宮りよ) (Joined June 2020)
 * Hinata Hinano (ひなたひなの) (Joined June 2020)

Former Members

 * Noda Erina (野田えりな) (Joined August 2015, Graduated February 2016)
 * Shimizu Riko (清水理子) (Original Member, Graduated April 2016)
 * Ayase Ai (綾瀬愛) (Original Member, Graduated June 2016)
 * Igarashi Mau (五十嵐茉優) (Original Member, Graduated July 2016)
 * Harasawa Mao (原澤稀音) (Joined Unknown, Graduated December 2016)
 * Haruno Emiri (春野絵実莉) (Original Member, Graduated May 2017)
 * Shiina Narumi (椎名成美) (Original Member, Graduated August 2017)
 * Amatsuka Milky (天使みるきぃ) (Joined August 2016, Graduated September 2017)
 * Sakurai Nanamo (櫻井ななも) (Joined August 2017, Left March 2018)
 * Shirayuki Kotori (白雪ことり) (Joined August 2017, Left March 2018)
 * Shinonome Reika (東雲れいか) (Joined August 2016, Graduated August 2018)
 * Minagawa Yuuka (皆川優香) (Joined June 2018, Graduated November 2018)
 * Tennouji Haru (天王寺ハル) (Joined February 2017, Graduated February 2019)
 * Kamiya Jurina (神谷じゅりな) (Joined November 2018, Graduated May 2019)
 * Hidaka Fumika (日高ふみ夏) (Joined April 2019, Left May 2019)
 * Tachibana Karen (立花かれん) (Joined July 2019, Left July 2019)
 * Aratani Moa (新谷もあ) (Joined April 2019, Graduated October 2019)
 * Nakamoto Seina (中本星七) (Joined November 2018, Graduated April 2020)
 * Natsume Risa (夏目りさ) (Joined July 2019, Graduated June 2020)
 * Kanade Rio (奏りお) (Joined August 2019, Graduated June 2020)

Singles

 * [2017.05.16] UTAGEI / Kiseki wa Sude ni Umareteru (UTAGEI／奇跡はすでに生まれてる)