I'S wing

 (sometimes written as I'S win9, formerly known as I'S9) was an idol group based in Fukuoka. They disbanded on May 31, 2017.

Final Members

 * Yoshioka Arisa (吉岡愛梨咲)
 * Yuasa Miku (湯浅実玖)
 * Matsushita Miyu (松下美侑)
 * Yamamoto Airi (山本愛理)

Former Members

 * Adachi Kana (足立加奈)
 * Mori Natsumi (森なつみ)
 * Shibata Kanako (柴田香菜子)
 * Fukunaga Aisa (福永愛沙)
 * Tokunaga Yuuri (徳永裕梨)
 * Chiai Suzuka (落合涼香)
 * Kondo Risa (近藤李砂)
 * Hinata Sakura (日向桜花)
 * Kurihara Rumi (栗原留美)
 * Yamaguchi Shuri (山口朱莉)
 * Kuritani Aki (栗谷阿貴)

Albums

 * [2015.01.21] Watashi ga Idol ni Natta Hi (私がアイドルになった日)
 * [2017.05.28] Watashi wa Tashikani Koko ni Ita. (私は確かにここにいた. )

Singles

 * [2013.05.22] Kimi ga Irukara (キミがいるから)
 * [2013.11.30] Kirakira Kazoe ni Ikou (キラキラ数えに行こう)
 * [2014.04.23] Onegai, Gyuttoshite (お願い、ギュッとして)
 * [2015.08.13] Omachi Shitemasu! (お待ちしてます！)
 * [2015.09.09] Habatakunda! (羽ばたくんだ！)
 * [2016.05.24] Mebae no Haru. (芽生えの春. )
 * [2017.04.19] Watashi ga Watashi de Aru Koto, (私が私であること、)

Digital Single

 * [2016.11.23] Tonaete, Winter9 (唱えて、Winter9)