[3] Ichika said in a 2022 interview that her bust began to grow in middle school, causing her considerable embarrassment.
[2] After high school, Ichika worked part-time with no intention of beginning a career in entertainment, feeling herself to be merely "tall and big-breasted" and not beautiful.
[3] Since then, Ichika has won multiple awards for her gravure work,[5][6][7] including 2021 MVP by Tokyo Lily.
[8] In addition to releasing books, DVDs, trading cards and other gravure works, Ichika has made appearances across a variety of media, including radio and broadcast television, as well as appearing on stage.
After taking a hiatus from gravure in 2023 to focus on her acting, Ichika announced her return to modeling beginning in March 2024.