Yu-ki initially joined WACK after being chosen from the WACK AUDiTiON CAMP in April 2017 to form "Project AW", which would later become EMPiRE. She remained in the group until their disbandment in June 2022, then immediately joined ExWHYZ afterwards.
As of 2021, yu-ki is also a member of the shuffle unit, INNOCENT ASS.
From March 18th to April 2nd, 2017, yu-ki participated in the WACK AUDiTiON CAMP 2017 under the name "Momoko Gumi Inc.".
At the audition's concluding WACK EXHiBiTiON on April 2nd, it was announced that yu-ki had passed the audition alongside YUKA EMPiRE, and would be debuting in a new unit, with the temporary name "Project aW".
On August 23rd, "Project aW", now named "EMPiRE" was revealed, along with her full stage name, "YU-Ki EMPiRE".
YU-Ki's debut recording with EMPiRE, "EMPiRE is COMiNG", was included on the shuffle album, WACK & SCRAMBLES WORKS, on December 6th, 2017.
On April 11th, 2018, YU-Ki EMPiRE's first album, THE EMPiRE STRiKES START!!, was released.
In Autumn 2019, YU-Ki became the subject of an issue of FUCK and FUCK, which was released on November 27th.
From March 21st until March 27th, YU-Ki EMPIRE participated in the WACK AUDiTiON CAMP 2021 as a mentor.
In mid-June, YU-Ki, along with every other active WACK member at the time, joined the shuffle unit, Dogenzaka43. Her only single as part of the group, Kyouniku Jakushoku ~Tsuyoi Yatsura wo Kucchimae~, was released on June 16th. At the end of June, her official Instagram page was launched.
On May 30th, EMPiRE suddenly announced that they would disband in three days. YU-Ki's future with WACK was left uncertain, with details on each member's post-group activity to be determined at a later date.
Upon EMPiRE's disbandment on June 2nd, YU-Ki EMPRE joined a new unit, ExWHYZ, alongside the rest of the remaining members. The following midnight, she dropped the "EMPiRE" from her stage name, performing as simply "yu-ki" from then.
yu-ki EMPiRE worked in a pub for two years before becoming an idol. She gets along well with her family, and they all watched her audition.
- Current Stage Name: yu-ki
- Former Stage Name: YU-Ki EMPiRE
- WACK Audition Name: Momoko Gumi inc (モモコグミinc)
- Birth Date: December 10
- Bloodtype: AB
- Nickname: yu-ki
- Western Zodiac: Sagittarius
- WACK status:
- 2017.04.02: Joined EMPiRE
- EMPiRE disbands
- Joined ExWHYZ
- WACK Groups:
- Overall Time in WACK: 5 Years, 4 Months, 17 Days
Discography Featured In
- [2017.06.17] THE DOCUMENTARY OF WACK AUDiTiON ~Orchestra Monogatari~
- [2018.02.03] THE IDOL CANNONBALL RUN 2017
- [2020.04.08] EMPiRE'S GREAT REVENGE LiVE
- [2021.04.07] EMPiRE BREAKS THROUGH the LiMiT LiVE
- [2022.08.17] THE FiNAL EMPiRE -EMPiRE DOPE MAGiC TOUR 2022.06.02 at LINE CUBE SHIBUYA-
Games Featured In
-  WACK ROCKiN' PARTY
- THE EMPiRE STRiKES START!!: Don't tell me why
- The GREAT JOURNEY ALBUM: Have it my way
- BRiGHT FUTURE: FLY! SiNG! CRY! TRY! SMiLE!
- She discovered WACK after her sister recommended BiSH to her.
- After discovering she had made it to the training camp, yu-ki would go to karaoke with her mother and sister every day to practice her singing.
- See yu-ki/Gallery