In 2020, Ishiyama took part in the ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ and made it to the finals, but was not chosen to join the group.
On November 4, it was announced that Ishiyama had joined Hello Pro Kenshuusei alongside Arisawa Ichika. They were introduced on December 19 at Hello! Project Kenshuusei Happyoukai 2020 12gatsu ~Hikari~.
When Ishiyama joined Hello Pro Kenshuusei, she was in her second year of high school. As of April 2021, Ishiyama is currently in her last year of high school.
- Name: Ishiyama Sakura (石山咲良)
- Birthdate: February 22, 2004
- Birthplace: Tokyo, Japan
- Blood Type: B
- Western Zodiac: Pisces
- Eastern Zodiac: Monkey
- Hello! Project Status:
- 2020-11-04: Hello Pro Kenshuusei member
- UP-FRONT PROMOTION Status:
- 2020-11-04: Member
- Hello! Project Groups:
- Hello Pro Kenshuusei (2020-present)
- [2020–] Hello Dream.
- She has the same birthday as Morning Musume member Yokoyama Reina and former Melon Kinenbi member Shibata Ayumi.
- Gallery:Ishiyama Sakura
- List:Ishiyama Sakura Discography Featured In
- List:Ishiyama Sakura Concert & Event Appearances
|Oldest member of Hello Pro Kenshuusei and Hello Pro Kenshuusei Hokkaido
December 13, 2021 – Present
- "ハロプロ研修生に新メンバー加入のお知らせ" (in Japanese). Hello! Project. 2020-11-04.