Challenge Girls!!

 is currently a one-member Japanese idol group originally formed with six members on March 2, 2020.

They were originally set to debut on March 28, 2020, but due to COVID-19 it was postponed several months.

They made their stage debut on July 26, 2021 @SHIDAX Hall.

Current Members

 * Seto Saki (瀬戸咲稀; ) (Founding member)
 * Nishijima Akari (西島朱莉) (Joined as trainee February 14, 2023)

Former Members

 * Asahi Riko (旭莉子; ) (Founding member; left July 1, 2020 )
 * Hinami Kaho (日南かほ; ) (Founding member; graduated March 14, 2021 )
 * Yamamoto Rinka (山本梨月; ) (Founding member; graduated March 14, 2021 )
 * Kokuba Mimika (国場美々花; ) (Founding member; graduated April 24, 2021 )
 * Nanase Rurua (七聖るるあ; ) (Joined October 11, 2020 ; graduated August 7, 2021 )
 * Masaki Sumire (真咲すみれ; ) (Joined December 30, 2021; Graduated April 16, 2023)
 * Kameyama Toki (亀山とき; ) (Joined June 5, 2021 ; Graduated August 5, 2023)
 * Yumesaki Nico (夢咲にこ) (Joined as trainee February 14, 2023; Dismissed August 30, 2023)
 * Yamashita Yua (山下結愛; ) (Founding member; graduated October 15, 2023)

Video Releases

 * 1) [2021.03.14] 2020.07.26 ChallengeGirls!! Ohirome (2020.07.26　ChallengeGirls!!お披露目; 2020.07.26 ChallengeGirls!! Unveiling)