WACKi Wiki



Uruu Ru (ウルウ·ル) is a Japanese former idol. She was previously part of WACK as member of CARRY LOOSE and WAgg.



On August 14th, Uruu Ru was revealed as one of the first trainees to join WAgg.

Uruu Ru's first performance took place on September 9th.

On October 16th, Uruu Ru modelled for NEGLECT ADULT PATiENTS at Amazon Fashion Week.


From March 24th to 30th, Uruu Ru competed in the WACK AUDiTiON CAMP 2019 alongside other WAgg trainees. While she was one of the few WAgg members to survive the entire boot camp, she was not chosen to debut.

On June 19th, it was announced that Uruu Ru would debut in Fall as part of a newly-formed group, CARRY LOOSE.

On August 4th, Uruu Ru was added to the shuffle unit HOLY SHiTS.

Uruu Ru's final live as a member of WAgg took place on August 25th, after which she joined CARRY LOOSE full time.

Uruu Ru's first release with CARRY LOOSE was the free digital single, Yasashii Sekai, on September 18th.

Uruu Ru's first album as a featured member, also called CARRY LOOSE, was released on October 22nd.


Uruu Ru's first single, Ningen, was released on February 11th, 2020.

From March 22nd to 29th, 2020, Uruu Ru took part in the WACK AUDiTiON CAMP 2020 as a mentor.

CARRY LOOSE disbanded on October 31st.

On December 24th, Uruu Ru terminated her contract with WACK.


  • Stage Name: Uruu Ru (ウルウ·ル)
  • Birth Date: February 7
  • Western Zodiac: Aquarius.png Aquarius
  • WACK status:
    • 2018.08.14: Joined WAgg
    • 2019.06.19: Joined CARRY LOOSE
    • 2019.08.25: Left WAgg
    • 2020.10.31: CARRY LOOSE disbanded
    • 2020.12.24: Left WACK
  • WACK Groups:
  • Overall Time in WACK: 2 years, 4 months, 10 days




Lyricist Credits


  • Her favourite WACK group is BiSH.
  • Her stage name comes from the Japanese onomatopoeia for crying. Despite this, she doesn't actually cry very often.
  • Has the same birthday as CARRY LOOSE groupmate YUiNA EMPiRE.
  • Is the second WAgg to debut.
  • Has written the most lyrics out of any other CARRY LOOSE member.
  • Is the only former CARRY LOOSE member who hasn't yet joined another group after their disbandment.