is a Japanese alternative idol girl group formed in 2015. They released their debut album, "Yamikawa IMRAD", on January 27, 2016.
Members NameMember ColorNotesDetailsCurrent MembersMegumi Kisaragi (如月愛海)RedOriginal MemberMuku ( むく)”Foam” (baby blue)Joined March 2024Mei Yui Mei (メイユイメイ)"Angel" (White)Joined January 2021Hino Hikari“Sunset” (Orange)Joined March 2024Former MembersAsuna Yumesaki (夢咲夢日)YellowOriginal Member, Left October 2015Aza Mogeki (十字)PurpleOriginal Member, Left November 2016Gomochi Narumi (成海5才)Light BlueOriginal Member, Left December 2016Mene Mikuchiyo (未来千代めね)Dark BlueJoined January 2017, Left August 2017Left for health reasons Togaren (咎憐无)PinkJoined January 2017, Left April 2019left to retire from the entertainment industry; returned to the industry December 2019 as "Coai" with the group "PEDIOPHOBIA" (2019-2020), later joined "Yakousei Amuse" in March 2021, and "GILTY × GILTY" in June 2023 as "Hakuu Coai".Yotsu Hitomi (一十三四)GreenJoined August 2015, Left August 2020Akebono Nagi (凪あけぼの)YellowJoined May 2019, Left August 2020Mashiro (ましろ)WhiteOriginal Member, Left September 2020Later joined "YOLOZ" under the name "Ichi"Oyatsu Yukinojou (征之丞十五時)Sky BlueJoined May 2019, Left April 2022An Amanechi (甘福氐喑)GreenJoined September 2020, Left April 2022Fufu Shizuku (雫ふふ)GrayJoined September 2020, Fired November 2022Left after multiple contract violations Kasane Motochika (もとちか襲）PurpleJoined September 2020, Left March 2023Left during her hiatus Kotetsu (个喆）“First Love” (Pink) Joined January 2021, Left March 2023Miruru Latte (己涙々らて)“Drowning Pink” (pink)Joined March 2024, Left April 2024Left due to mental health issues Komochi Nene (寝こもち)"Ramune" (Green)Joined April 2022, hiatus since March 2026, withdrew June 2026Former Seireki13ya member. Final appearance July 18, 2026
Timeline
Discography Studio albums Title Album details Peak chart positionsJPNOriconHot Yamikawa IMRAD (やみかわIMRAD)Released: January 27, 2016 Label: Codomomental Formats: CD, digital download 120 — Anima Animusu PRDX (アニマあにむすPRDX)Released: November 9, 2016 Label: Codomomental Formats: CD, digital download 53 100 Egoistic Eat IssuesReleased: September 6, 2017 Label: Codomomental Formats: CD, digital download 36 54 Neorder NationReleased: July 4, 2018 Label: Codomomental Formats: CD, digital download 31 62 Arumumei (或夢命)Released: December 18, 2019 Label: Codomomental Formats: CD, digital download 70 85 FlashBack NightMareReleased: November 24, 2021 Label: Codomomental Formats: CD, digital download 188 —
Re-recorded albums Title Album details Peak chart positionsJPNOriconHot Live or Die ~Chinu Ichi~ (LIVE or DIE〜ちぬいち〜)Released: July 31, 2019 Label: Codomomental Formats: CD, digital download 34 96 Live or Die ~Chinu Ni~ (LIVE or DIE〜ちぬに〜)Released: October 16, 2019 Label: Codomomental Formats: CD, digital download 80 — Q.E.D.monoReleased: March 31, 2021 Label: Codomomental Formats: CD, digital download 38 87 Q.E.D.biReleased: June 2, 2021 Label: Codomomental Formats: CD, digital download 64 90 Q.E.D.triReleased: April 27, 2022 Label: Codomomental Formats: CD, digital download TBA TBA
Compilation albums Title Album details Peak chart positionsJPNOriconHot Ninon (新音)Released: September 6, 2017 Label: Codomomental Formats: CD, digital download 53 —
Singles Title Year Peak chart positions AlbumOricon "Mudai Gasshō" (無題合唱) 2016 52 Anima Animusu PRDX "Boku Tabetamo Kimi no Subete wo" (僕喰賜君ノ全ヲ) 31 "Sophomore Sick Sacrifice" 2017 40 Egoistic Eat Issues "Wagamama Shinsei Hominina" (わがまま新生Hominina) 36 "Sekirarararai Otto" (せきららららいおっと) 58 Neorder Nation "Tonari Kore Arata" (トナリコレアラタ) 2018 21 "Natural Born Independent / Romance Sect" (Natural Born Independent/ロマンスセクト) 2019 29 Arumumei "Antilyours" 35 "Zenbu Boku no Sei da" (ぜんぶ僕のせいだ。) 61 "Insomnia" (インソムニア) 2020 — FlashBack NightMare "Dada" (堕堕) 2021 48 "Heavenlyheaven" 61 "Roman Jihen" (浪漫事変) 2022 41 "Lotus Flower Cosmetics" 2024—
References
External links Official website