Iida came into the spotlight when she was 11 years old, appearing on the Tensai Terebi Kun MAX (天才てれびくんMAX) series on NHK Educational TV in 2002.
In 2014 she formed the duo group 4to6 with her co-star Pile (voice of Maki Nishikino).
[3] Her song "Aoi Honō Syndrome" (青い炎シンドローム, Blue Flame Syndrome) is used as the ending theme to the 2017 anime television series Digimon Universe: Appli Monsters.
[4] Her song "Itsuka Sekai ga Kawaru Made" (いつか世界が変わるまで, lit.
"Someday Until The World Changes") is used as the ending theme to the 2018 anime television series Boarding School Juliet.