ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ (アンジュルムONLY ONEオーディション～私を創るのは私～) was an audition for 9th generation member(s) to join ANGERME. The audition was announced on January 2, 2020 at Hello! Project 2020 Winter HELLO! PROJECT IS [ ] ~side A~. The application process began on January 11 and the deadline to submit an application was February 25.
The audition searched for girls who love ANGERME and Hello! Project, love to sing and dance and are confident in singing and dancing, want to take advantage of their personal strengths and special skills, and want to find their "new self".
The winners were announced on ANGERME's YouTube Channel on November 2, 2020, at 7pm JST. 
- Application Requirements:
- Female, minimum of 11 years of age and maximum of 18 years of age within the application period.
- Must not currently be under contract with any agencies.
- Must have consent from legal guardian if under age.
- Application Deadline: February 25, 2020
- Total Applicants: 4,000+
- Training Camp Choreographer: Mitsubachi Maki
- Training Camp Singing Teacher: marron
- Broadcast: Hello Dream. (post-audition), Upcoming
The application deadline was February 25, 2020 (at 10:00 AM for web applications). On March 12, it was announced that application screening was completed and candidates who passed into the second round would receive their results in the mail.
Due to the spread of the COVID-19 infection, they have decided for the health and safety of those participating, the second round screening would be conducted in a different form. They sent information to registered e-mail addresses for details (scheduled to be distributed by March 30).
On April 17, 2020, it was announced that the second round had concluded, and successful applicants would receive their results by mail. Due to the ongoing COVID-19 pandemic, the third round of the audition would be adjusted and officially announced later.
On June 2, 2020, it was announced that the audition would be proceeding, and those who moved on would be contacted by mail.
On June 25, 2020, it was announced that the third round will officially be resumed now that the final COVID-19 restrictions banning travel between prefectures have been lifted.
On July 20, 2020, it was announced that the third round was completed and mail was sent only to successful applicants.
Six girls continued into the final round, which took place over two days in early August. marron was in charge of singing lessons and Mitsubachi Maki was in charge of dance lessons. The finalists had to learn to perform "Mirror Mirror" as a group and "Kagiriaru Moment" as a solo.
There were a total of 5 finalists:
The winners of the ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ were revealed on November 2, 2020, at 7pm JST, on ANGERME's YouTube Channel.
The third member promoted from Hello Pro Kenshuusei was:
- Tamenaga Shion, 16, Nagano
- This is ANGERME's first general audition in four years since the 2015 ANGERME Shin Member Audition, which resulted in the joining of 4th generation member Kamikokuryo Moe. The 5th through 8th generation members have all been additions from Hello Pro Kenshuusei, except for Ise Layla, who was selected from BEYOOOOONDS' Hello! Project "ONLY YOU" Audition after she failed the third round.
- Hello Pro Kenshuusei had a separate audition.
- Ishiyama Sakura and Arisawa Ichika later joined Hello Pro Kenshuusei as the 31st generation and both of them debuted in Juice=Juice.
- Sakurai Rio later joined Morning Musume as a sole 16th generation member.