SAISON

 was a nine-member Japanese idol group formed on October 16, 2021.

They made their stage debut on November 20, 2021 @Nihonbashi Mitsui Hall.

They were meant to be active for one year, but disbanded after 14 months of activity, with a last live on January 28, 2023 @Tokyo Dome City Hall.

Final Line-Up

 * Okada Ayaka (岡田彩花) (Founding Member)
 * Suzuki Mariya (鈴木まりや) (Founding Member)
 * Aisako Miyu (愛迫みゆ) (Founding Member; Leader)
 * Hiroshima Mizuki (廣島みずき) (Founding Member)
 * Hayashi Ayano (林あやの) (Founding Member)
 * Kojima Runa (小島瑠那) (Founding Member)
 * Yoneyama Honoka (米山穂香) (Founding Member)
 * Ishida Haruka (石田晴香) (Joined June 20, 2022)
 * Nonaka Misato (野中美郷) (Joined June 20, 2022)

Digital Mini Albums

 * 1) [2022.01.18] winter
 * 2) [2022.04.38] spring

Singles

 * 1) [2022.08.16] Nando demo, Kono Basho de (何度でも、この場所で)

Trivia

 * Their catchphrase is "All of Us, in This 1 Year" (私たちの全てをこの1年に)