She also voices China Kousaka in Gundam Build Fighters, Sayuri Haruno in Bonjour Sweet Love Patisserie, Hinaki Shinjo in Aikatsu, and YoRHa No.2 Type B (2B) in Nier: Automata.

Ishikawa was 6 years old when she joined the theatre company, Himawari in Osaka while commuting to school when she was a student.

[11][10] From junior high school, Ishikawa has starred in many of the theatre company's masterpiece musical series.

[10] In September 2005, when she was in the first year of high school, she transferred to the Sunaoka office of the Himawari Theatre Group.

A music reading drama project planned by Shigeru Saito of Heart Company Co., Ltd., "Yui Ishikawa UTA-KATA Vol.1 ~ Dawn's Ginyu Poet ~" was held in 3 cities and 6 performances from January 11, 2020.

On May 5, 2020, the mitt management submitted a damage report to the police because of the continuous threatening posts to "harm" Ishikawa herself, her family, and the office.

"Yui Ishikawa UTA-KATA Vol.2 ~The Girl Who Sells Songs~" was held in 3 cities and 8 performances from September 10, 2022.