Her well-known anime characters include Ayumu Uehara in Love Live! Nijigasaki High School Idol Club (2020) and Fubuki Kitakaze in Maesetsu!
The group finished its activities in five years, then Onishi made her voice actress debut in 2017.
At her online birthday event streamed on May 2, voice actress Aguri Onishi announced that her double A-side second single “Elder flower/Hatsukoi Colors” is set to be released on August 4, 2021.