RALF

 (ラルフ) was a four-member Japanese idol group formed on October 16, 2021. They made their stage debut on November 20, 2021 @Nihonbashi Mitsui Hall.

They're produced by Iwase Yuina.

On February 8, 2023, it was announced that the group would disband on March 27, 2023.

Final Line-Up

 * Kurone Lemo (黒音れも; ) (Original member)
 * Sakurano Miku (桜乃みく; ) (Original member)
 * Aoi Nene (青井音々; ) (Joined on July 27, 2022)
 * Ichinose Hana (一ノ瀬華; ) (Joined on July 27, 2022)

Former Members

 * Yugisawa Runa (柚木沢るな; ) (Original member; Left February 28, 2022)
 * Mitsuki Onpu (望月おんぷ; ) (Original member; Left October 31, 2022)
 * Minase Mana (水瀬マナ; ) (Original member; Withdrew January 12, 2023)

Trivia

 * Their theme is "Girl's Emotions are Straightforward" (女の子の感情をどストレートに)