Ltte Nan no L Desu ka?

 (Lって何のLですか？), formerly known as CODE-L (コードエル), is currently a zero-member Japanese female idol group formed in October 2020.

They made their stage debut on October 10, 2020.

Their previous lineup ended on July 23, 2023.

They changed their name from CODE-L to Ltte Nan no L Desu ka? in September 2023, alongside their relocation of their base of operations from Fukuoka to Tokyo. They will have their predebut live as Ltte Nan no L Desu ka? on October 29, 2023.

Former Members

 * Tsukishiro Aen (月城あえん; ) (Founding Member; Left June 10, 2021)
 * Iori Momoko (伊織ももこ; ) (Founding Member; Left December 28, 2021)
 * Aoha Meru (蒼羽める; ) (Joined July 3, 2021; Left December 28, 2021)
 * Himemiya Ichia (姫宮苺愛; ) (Founding Member; Graduated May 4, 2022)
 * Misaki Fu (三咲ふう; ) (Joined July 3, 2021; Graduated July 8, 2022)
 * Hoshikawa Mashiro (星河ましろ; ) (Joined July 3, 2021; Graduated July 15, 2022)
 * Hakumu Aika (白夢愛架; ) (Joined July 3, 2021; Graduated October 10, 2022)
 * Amemiya Kirara (雨宮きらら; ) (Joined August 20, 2022; Withdrew November 2, 2022)
 * Hikami Anzu (氷上あんず; ) (Joined July 21, 2022; Withdrew January 18, 2023)
 * Ichijou Yui (一条ゆい; ) (Joined November 5, 2022; Withdrew April 19, 2023)
 * Honami Nono (穂波のの; ) (Joined April 26, 2023; Withdrew May 27, 2023)
 * Takemoto Shiori (竹本しおり; ) (Founding Member; Graduated October 31, 2022; Returned January 19, 2023 as a Support Member; Last Live May 28, 2023)
 * Hoshino Hinami (星乃ひなみ; ) (Joined November 5, 2022; Withdrew June 10, 2023)
 * Utakata Azusa (泡沫あずさ; ) (Joined April 26, 2023; Withdrew June 10, 2023)
 * Aoi Reina (蒼怜菜; ) (Joined August 20, 2022; Graduated July 23, 2023)
 * Konoka Mua (恋架むあ; ) (Joined November 5, 2022; Graduated July 23, 2023)
 * Ayase Kokoro (綺瀬こころ; ) (Joined September 17, 2022; Graduated July 23, 2023)
 * Suzuna Rin (鈴鳴リン; ) (Joined April 26, 2023; Graduated July 23, 2023)