Aruto's Humagear secretary. She's often seen playing along with his antics and mimicking his signature catchphrase.

Tie-in shorts for the Tokusatsu show Kamen Rider Zero-One released on the Toei Tokusatsu Fanclub (TTFC) app. Note: Episode 5 was pre-screened on November 8, 2020, as a bonus for the Kamen Rider Zero-One: REALxTIME movie. The regular release was on February 1, 2021.

Japanese actress, fashion model, and magazine editor who portrays both Izu and Azu in Kamen Rider Zero-One. She is affiliated with Oscar Promotion.

In 2013, she won the Grand Prix of the 21st Pichi Lemon audition, and became an exclusive model for them until their activities was suspended in 2015. In 2016, Tsurushima appeared in the January 2016 issue of Popteen, and became exclusive by their June 2016 issue.

In April 2019, she became the editor-in-chief of the web magazine ENMARY. 