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Wacky (ワッキー)

Other Names

Yurika (友里加)


August 18, 1992 (1992-08-18) (age 28)



Professional Information
Years Active

2012-2013, 2020-Present

Associated Acts




BiS Information

First Generation


Pure Member (ピュア担当)



Date Joined

April 15th, 2012

Date Left

March 16th, 2013

Debut Release


Final Release


Time in Group

11 months, 1 day

Wakisaka Yurika (ワキサカユリカ), now known as just Yurika, (友里加), is a former first-generation member of BiS. She was active in the group from 2012 to 2013.

Promoting BiSimulation

Promoting GET YOU

Promoting IDOL is DEAD

Biography[edit | edit source]

2012[edit | edit source]

On April 15th, Wakisaka Yurika joined BiS alongside Michibayashi Rio. Like Terashima Yufu, they began their activities promoting the group's previous single, IDOL, despite not actually appearing on it.

On July 18th, Wakisaka's debut single, PPCC was released.

From October 10th to November 28th, Wakisaka Yurika voiced herself alongside other members of BiS in the anime Backstage idol story. Also on October 10th, Wakisaka Yurika's only studio album, IDOL is DEAD, was released.

On December 28th, she and Pour Lui attempted to run a 100km marathon, which they both failed. The strain from the marathon aggravated a pre-existing ankle condition Wakisaka had, which led to fewer performances and eventually, her graduation. The music video for hitoribochi documented the marathon.

2013[edit | edit source]

On February 7th, Wakisaka Yurika announced her graduation from BiS, having been finding performances more and more difficult with her ankle condition.

Wakisaka Yurika's final single, BiSimulation, was released on March 13th. The single was dedicated to her time in BiS, with a limited edition cover showing only her face.

On March 16th, Wakisaka Yurika graduated from BiS at the ROAD TO BUDOKAN KOKUGIKAN "WHO KiLLED IDOL?" one man live and retired from entertainment.

2020[edit | edit source]

After a 7-year hiatus, Yurika re-emerged on Twitter in June. On June 30th, she announced her return to entertainment as a part of ASOBINEXT, a subsidiary of the ASOBISYSTEM agency.

Personal Life[edit | edit source]

After graduating from BiS, she has spent most of her time focusing on university studies.

Profile[edit | edit source]

  • Stage Name: Wakisaka Yurika (ワキサカユリカ)
  • Birth Date: August 18, 1992 (1992-08-18) (age 28)
  • Nickname: Wacky (ワッキー)
  • Western Zodiac: Leo
  • Eastern Zodiac: Monkey
  • BiS Role: Pure Member (ピュア担当)
  • WACK status:
    • 2012.04.15: Joined BiS
    • 2013.03.16: Graduated
  • BiS Colour:  Green
  • WACK Groups:
    • BiS (2012-2013)
  • Other Groups:

Discography[edit | edit source]

See Wakisaka Yurika Discography Featured In

Other Media[edit | edit source]

Live Video[edit | edit source]

Trivia[edit | edit source]

  • Despite what her nickname would have you believe, WACK was unfortunately not named after Wakisaka.
  • Was just one of two former BiS members whose official reason for graduation was a health condition, the other being Momoland who left because of fatigue in 2018.
  • Has over 15 years of dance experience.
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