Seven Day'z

 (セブンデイズ) is a five-member Japanese idol group formed on May 25, 2022 under the name PEARL's (パールズ).

They changed their name to Seven Day'z on April 16, 2023.

Members

 * Ogura Saya (小椋咲弥; ) (Founding member)
 * Sakumo Nodoka (咲雲和奏; ) (Joined February 13, 2023)
 * Kuraki Meru (椋木芽瑠; ) (Joined February 13, 2023)
 * Otohana Yui (乙花ゆい; ) (Joined April 20, 2023)
 * Amamiya Hikaru (天宮ひかる; ) (Joined May 17, 2023)

Former Members

 * Masaka Rinka (真坂凛花; ) (Founding member; Graduated August 24, 2022)
 * Aiki Nana (藍木なな; ) (Founding member; Graduated August 28, 2022)
 * Minami Ikumi (南いくみ; ) (Founding member; Graduated December 11, 2022)
 * Tsubaki Kana (椿姫かな; ) (Founding member; Graduated March 21, 2023)
 * Hayama Ayuri (葉山あゆり; ) (Joined September 3, 2022; Left May 5, 2023)
 * Mochizuki Toa (望月とあ; ) (Joined September 3, 2022; Left May 22, 2023)
 * Ayase Reina (絢瀬玲奈; ) (Joined May 17, 2023; Contract terminated June 14, 2023)