From March 12th, Utauuta took part in the WACK Audition Camp 2018 under the name "Yui Ga Jackson". However, she was eliminated on the first day without being offered a redemption challenge. Soon after, she auditioned for WAgg.
On August 14th, Utauuta was revealed as one of the first eight trainees to join WAgg.
From March 24th, Utauuta participated in the WACK AUDiTiON CAMP 2019. On day two, she was eliminated for a second time after losing a game of Daifugo.
From March 22nd, Utauuta took part in the WACK AUDiTiON CAMP for the third year in a row. She was eliminated on day three after failing to do the most squats.
On June 12th, Utauuta's first digital release, WAgg no Subarashiki Sekai, was published.
- Stage Name: Utauuta (ウタウウタ)
- WACK Audition Name: Yui ga Jackson (ユイ・ガ・ジャクソン)
- Birth Date: June 3rd
- Western Zodiac: Gemini
- WACK status:
- 2018.08.04: Joined WAgg
- WACK Groups:
- WAgg (2018-)
- Overall Time in WACK: 1 Year, 11 Months, 20 Days
- [2020.06.12] WAgg no Subarashiki Sekai
Other Media Edit
- Is a big Togawa Jun fan and sang "Suki Suki Daisuki" (previously covered by BiS Kaidan) at her first WACK audition.
- She hates being reminded of her time in the 2018 WACK audition, saying that she has changed a lot since then.
- Struggles to express her emotions, causing staff members to describe her as "cold".
- Her audition name was a parody of Yui Ga Dockson.