Kimiiro Project

 (キミイロプロジェクト) is an idol group that debuted on March 25, 2017. Their concept is "eternal beginnings", with the group's members and theme continuously changing so the group can live forever.

They are split up into four separate units and they have a team of research students called Kimiiro Youth.

History
2017= 2018= 2019= 2020= 2021=
 * Kimiiro Project debuted on March 25, 2017 at Harajuku Astro Hall.
 * Starting March 2017, the group was in their first theme of "Noble Path".
 * They performed at TOKYO IDOL FESTIVAL 2017 during July 2017.
 * From October 29, 2017 until June 27, 2018, they began their second theme called "Sharing". The concept was to share memories by fans being able to take photos and videos during performances.
 * Kimiiro Project's research student team "Kimiiro Youth debuted on January 14, 2018.
 * From June 27, 2018, the group entered its third theme: "Summer".
 * The group began its fourth theme "Monochrome" from October 30, 2018.
 * On January 7, 2019, Natsuno Suzune graduated from the group.
 * On July 5, 2019, the group released their debut album, KiMiiRO.
 * Kimiiro Project began its fifth group theme of "ALBION" from December 4, 2019.
 * On March 15, 2020, Hoshimi Aoi announced she would be graduating from the group, effective as the day of announcement.
 * On July 21, 2020, their first single, Darwin Darwin was released.
 * On July 21, 2020, it was announced the group would be splitting up into four separate groups: LAUGH CARROT, Toumei na Tobira., ROSETTE and MAD VIOLET.
 * On November 30, 2020, Kijou Rinan and Yamada Azuki announced they would be graduating from the group, effective as the day of announcement.
 * On April 1, 2021, MAD VIOLET announced their dissolution.
 * On April 29, 2021, MAD JAMIE, the successor group of MAD VIOLET, debuted.
 * On October 10, 2021, Caress Van End debuted.

LAUGH CARROT

 * Karamomo Airi (杏あいり) (Joined May 16, 2019)
 * Sumino Rin (澄乃凛) (Joined December 4, 2019)
 * Shiraishi Ema (白石エマ) (Joined March 24, 2020)
 * Yuzui Kanna (柚井和奈) (Joined March 24, 2020)
 * Horiki Sana (堀木さな) (Joined June 25, 2019)

Toumei na Tobira.

 * Segawa Nodoka (瀬川のどか) (Founding Member)
 * Asahina Matsuri (朝日南まつり) (Joined May 16, 2019)
 * Momosuzu Ranze (桃鈴蘭世) (Joined June 25, 2019)
 * Sato Miki (佐藤みき) (Founding Member)

ROSETTE

 * Aoi Hana (蒼井花) (Joined May 16, 2019)
 * Katahira Yui (片平結愛) (Joined May 16, 2019)
 * Aira Natsumi (愛輝夏実) (Joined March 24, 2020)
 * Himemiya Yuna (姫宮ゆな) (Joined July 21, 2020)
 * Komatsu Kokoa (小松心愛) (Joined July 21, 2020)

MAD VIOLET

 * Takatsuki Akubi (高槻あくび) (Founding Member)
 * Mitsuki Runa (美月ルナ) (Joined May 16, 2019)

Kimiiro Project

 * Momou Syuu (桃宇柊羽) (Joining March 25, 2021)
 * Ayatori Neco (綾鳥ねこ) (Joining March 25, 2021)
 * Suizyou Sakina (水上さきな) (Joining March 25, 2021)
 * Masuzaki Una (益崎兎七) (Joining March 25, 2021)
 * Maizono Ichigo (舞園いちご) (Joining March 25, 2021)
 * Yumetsuki Miyuu (叶月みゆう) (Joining March 25, 2021)
 * Kisaki Seira (木崎セイラ) (Joining March 25, 2021)
 * Suzumiya Miya (鈴宮みや) (Joining March 25, 2021)
 * Shishiro Rara (紫白らら) (Joining March 25, 2021)
 * Tukuyomi Meiri (月詠めいり) (Joining March 25, 2021)
 * Karen Yuu (伽恋由羽) (Joining March 25, 2021)

MAD JAMIE

 * Kanjosen Akubi (感情線あくび) (Joined April 1, 2021)
 * Suzuki Runachi (鈴木ルナチ) (Joined April 1, 2021)

Caress Van End

 * Suizyou Sakina (水上さきな) (Joined October 10, 2021)
 * Ayatori Neko (綾鳥ねこ) (Joined October 10, 2021)
 * Karen Yuu (かれんゆう) (Joined October 10, 2021)
 * Masuzaki Una (ますざきうな) (Joined October 10, 2021)
 * Suzumiya Miya (鈴宮みや) (Joined October 10, 2021)
 * Shishiro lara (シシロララ) (Joined October 10, 2021)
 * Maizono Ichigo (舞園いちご) (Joined October 10, 2021)
 * Yumetsuki Miyuu (ゆめつきみゆう) (Joined October 10, 2021)

Former Members

 * Natsuno Suzune (夏野鈴音) (Founding Member; Graduated January 7, 2019)
 * Hoshimi Aoi (星海あおい) (Founding Member; Graduated March 15, 2020)
 * Shiose Rena (汐星玲那) (Joined May 16, 2019; Graduated June 29, 2020)
 * Kijou Rinan (姫条りなん) (Joined December 4, 2019; Graduated November 30, 2020) (LAUGH CARROT)
 * Yamada Azuki (山田小豆) (Joined October 30, 2018; Graduated November 30, 2020) (MAD VIOLET)
 * Fukase Marina (深瀬真璃奈) ( Founding Member; Graduated January 16, 2021)  (Toumei na Tobira.)
 * Haren Chiyuki (ハレン・チユキ) (Joined April 1, 2021; Graduated December 13, 2021) (MAD VIOLET/MAD JAMIE)
 * Eikura Uni (榮倉ウニ) (Joined April 1, 2021; Graduated March 7, 2023) (MAD VIOLET/MAD JAMIE)
 * Saki Panyoru (サキ・パニョール) (Joined April 1, 2021; Graduated March 7, 2023) (MAD VIOLET/MAD JAMIE)

Albums

 * 1) [2019.07.05] KiMiiRO
 * 2) [2020.04.17] Tatta Hitori no Kimi e (たった一人のキミへ)

Mini Albums

 * 1) [2020.04.25] Re:

Digital Singles

 * 1) [2018.03.25] Bazznomix (バズノミクス)
 * 2) [2018.03.30] Shunkan Fuusoku Mugendai (瞬間風速無限大)
 * 3) [2018.10.04] Start Button (スタートボタン)
 * 4) [2018.10.04] Sympathy (シンパシー)

Singles

 * 1) [2020.07.21] Darwin Darwin (ダーウィンダーウィン)