Merkmal Mermal

 (メルクマールメルマール) is an idol group that debuted on January 17, 2020.

Current Members

 * Sakazuki Mirei (盃美麗; ) (Founding member)
 * Hiba Hina (陽葉陽菜; ) (Founding member)
 * Noka Reon (希楓れおん; ) (Founding member)
 * Hoshizaki Momoko (星咲桃子; ) (Founding member)
 * Isshiki Haruri (一色春凛; ) (Joined May 22, 2020)
 * Mashima Tsumugi (真島紬; ) (Joined May 22, 2020)
 * Haibara Heidi (羽原ハイディ; ) (Joined May 4, 2023)
 * Nanase Mari (七瀬まり; ) (Joined May 5, 2023)

Former Members

 * Rukawa Sayaka (盃美麗; ) (Founding member; Graduated September 16, 2022)
 * Mashiro Naoko (真城奈央子; ) (Joined May 3, 2023; Withdrew pre-debut June 2, 2023)

Digital Albums

 * 1) [2020.11.27] Konna Hi ga Tsuzuite mo (こんな日が続いても)

Digital Mini Albums

 * 1) [2023.03.18] FUKAMARU MERMAL

Digital Singles

 * 1) [2020.05.23] Hajimari no Asa / Jinsei PAPIPUPEPO!! (始まりの朝 / 人生PAPIPUPEPO!!)
 * 2) [2020.07.17] 60cm no Koi cm no Koi / Kimi wa Tataku BELIEVER (60センチメートルの恋センチメートルの恋 / 君は戦うBELIEVER)
 * 3) [2022.11.18] Gegen Tsuki to Reality (下弦の月とリアル)
 * 4) [2022.11.25] Bibide Babide BAD DAY (ビビデバビデBAD DAY)
 * 5) [2022.12.02] Michishirube no Message (道標のメッセージ)
 * 6) [2022.12.09] Bye-Bye×2 (バイバイ×2)