From March 24th to 30th, Nayu took part in the WACK AUDiTiON CAMP 2019, under the name "Cent Chihiro no Imouto".
On March 30th, at the audition's concluding WACK EXHiBiTiON, it was announced that Nayu would join WAgg.
Nayu's debut show with WAgg took place on May 26th.
On June 12th, Nayu's first release, WAgg no Subarashiki Sekai, was published.
- Stage Name: Nayu (ナアユ)
- Audition Name: Cent Chihiro no Imouto (セントチヒロノイモウト)
- Birth Date: March 31st
- Western Zodiac: Aries
- WACK status:
- 2019.03.30: Joined WAgg
- WACK Groups:
- WAgg (2019-)
- Overall Time in WACK: 1 Year, 3 Months, 0 Days
- [2020.06.12] WAgg no Subarashiki Sekai
- [2019.11.11] IDOL -Aa, Mujou-
- Is the first member of WAgg to join through a live-streamed audition boot camp.
- Her audition name is a parody of Cent Chihiro Chittiii (and a reference to her former "little sister" character that was later given to Ayuni D)
- Is said to resemble Cent Chihiro Chittiii, which might be a reason why she was named after her in the audition.
- She declined to take part in the WACK AUDiTiON CAMP 2020, but instead joined Love's pre-established "training camp" to cheer on the participating members, renaming it to "Love and Nayu's training camp" (らぶなゆなりの合宿).