CYNHN

 (スウィーニー) is a Japanese vocal unit formed on June 25, 2017, through a joint audition of JOYSOUND and DEARSTAGE held in late 2016.

They made their major debut on November 1, 2017 with the single "FINALegend" under I BLUE, a joint label by Teichiku Entertainment and Smile Company.

"CYNHN" means blue in Russian.

Current Members

 * Ayase Shiki (綾瀬志希; ) (Founding Member)
 * Tsukumo Neru (月雲ねる; ) (Founding Member)
 * Momose Rei (百瀬怜; ) (Founding Member)
 * Aoyagi Tooru (青柳透; ) (Founding Member)
 * Hirose Minori (広瀬みのり; ) (Joined June 2022)

Former Members

 * Ousaka Manari (桜坂真愛; ) (Founding Member, Graduated December 31, 2019)
 * Sakino Soto (崎乃奏音; ) (Founding Member, Graduated January 26, 2021)

Albums

 * 1) [2019.06.26] Tablature (タブラチュア)
 * 2) [2022.02.02] Blue Cresc.

EPs

 * 1) [2020.12.23] #0F4C81

Digital Singles

 * 1) [2020.02.05] Suisei (水生)
 * 2) [2020.07.08] Goku Heibon na Ao wa, (ごく平凡な青は、)
 * 3) [2020.09.09] Kumorigimi (くもりぎみ)
 * 4) [2020.11.01] Hyouka (氷菓)
 * 5) [2020.12.04] Yakan Hikou (夜間飛行)
 * 6) [2021.04.28] AOAWASE
 * 7) [2021.07.09] 2ji no Parade Kan Sano Remix (2時のパレード Kan Sano Remix)
 * 8) [2021.11.12] Rare (レア)

Singles

 * 1) [2017.11.01] FINALegend (フィナーレジェンド)
 * 2) [2018.04.25] Haribote (はりぼて)
 * 3) [2018.09.19] Takisaikia / So Young (タキサイキア/So Young)
 * 4) [2018.12.12] Zekkou Kyoushuu / Ameiro Hologram (絶交郷愁/雨色ホログラム)
 * 5) [2019.03.20] Kuuki to Ink / wire (空気とインク/wire)
 * 6) [2019.11.27] 2ji no Parade (2時のパレード)
 * 7) [2020.03.18] Suisei (水生)
 * 8) [2020.09.09] Goku Heibon na Ao wa, (ごく平凡な青は、)
 * 9) [2021.07.21] AOAWASE

Video Releases

 * 1) [2020.10.07] CYNHN 3rd ONEMAN LIVE 『Ordinary Blue-PM2:00』
 * 2) [2021.09.22] CYNHN LIVE Blu-ray『Blue! Blue! Blue!』