Utakata Secret

 (泡沫シークレット) was an idol group formed in March of 2020.

Their debut live was @TwinBox on August 8, 2020.

On November 1, 2020, they were acquired by ONEtoONE Agency.

On December 28, 2021, they announced that they would disband at the end of January 2022.

Final Line-up

 * Aina (あいな) (Original Member)
 * Soi (そい) (Original Member)
 * Mikazuki Sae (三月さえ) (Joined December 2020)
 * Shirosaki Karuna (城崎かるな) (Joined December 2020)

Former Members

 * Noel (のえる) (Original Member, Graduated October 2020)