Itō was born in Musashino, Tokyo on October 6, 1993,[1] and learned how to play shogi from her older brother.

Itō defeated future shogi professional and major title holder Takuya Nagase in her Round 1 game of the Championship Tournament and won two more games to advance to the semi-finals where she lost to another future shogi professional and eventual tournament winner Yūki Sasaki.

Itō was the only girl to qualify for the Championship Tournament, and the field included seven boys who would eventually become professional shogi players, including three who would also become major title holders.

[2] In February 2022, Itō defeated Kana Satomi 3 games to 1 in the 48th Women's Meijin title match (January – February 2022) to capture her first women's major title.

[5] In February of the following year, however, she was unable to successfully defend her Meijin title, losing the 49th Women's Meijin title match to Tomoka Nishiyama 3 games to 1.