ONE NEXT GIRLS

ONE NEXT GIRLS (ワンネクストガールズ) was a Japanese idol group formed on February 1, 2020. They served as ONEtoONE's trainee group. They disbanded on December 13, 2020, when all the remaining members debuted.

They reformed on June 24, 2021 and disbanded again on March 30, 2022.

Final line-up

 * Fuso Itsuki (扶桑弌樹) (Joined June 24, 2021)
 * Kisaragi Love (如月らぶ) (Joined June 24, 2021)
 * Aitsuki Yua (藍月結愛) (Joined June 24, 2021; debuted in Sisters Anima)
 * Ran Honoka (蘭ほのか) (Joined June 24, 2021; debuted in Kaizensei Altruism)
 * Hanazaki Seira (華崎星楽) (Joined June 24, 2021)
 * Tachibana Shiori (城華しおり) (Joined June 24, 2021; debuted in Sisters Anima)
 * Nanase Mion (凪々星光音) (Joined June 24, 2021; debuted in Neat and clean)
 * Kiryu Maki (桐生麻希) (Joined June 24, 2021)
 * Sakuraba Nana (桜羽なな) (Joined June 24, 2021; debuted in Kaizensei Altruism)
 * Himari Nonoka (陽葵ののか) (Joined June 24, 2021)

Former Members

 * Sonoda Miya (園田美弥) (Founding member; left February 2020)
 * Hoshizawa Miku (星沢美玖) (Founding member; left February 2020)
 * Asakura Riu (亜桜りう) (Founding member; left April 2020)
 * Amamiya Sara (雨宮さら) (Joined June 13, 2020; left July 2020)
 * Mizuki Sana (美月さな) (Joined June 13, 2020; left July 2020)
 * Hamanami Ayu (浜波あゆ) (Founding member; left August 2020)
 * Komori Mimi (小森みみ) (Founding member; left August 29, 2020; debuted in Neat and clean)
 * Onishi Hotori (大西ほとり) (Founding member; left September 2020)
 * Nagatsuki Yuuki (長月優希) (Founding member; left December 13, 2020; debuted in Kaizensei Altruism)
 * Mikazuki Sae (三月さえ) (Joined June 13, 2020; left December 13, 2020; debuted in Utakata Secret)
 * Shirosaki Karuna (城崎かるな) (Joined July 19, 2020; left December 13, 2020; debuted in Utakata Secret)
 * Naruse Miku (成瀬みく) (Joined June 24, 2021; left January 30, 2022)

Original Songs

 * 1) Mikansei Girl (未完成ガール)
 * 2) Mabushii Taiyou (眩しい太陽)
 * 3) Ame ga Yamanai (雨が止まない)