[1] She learned how to play shogi from her older brother when she was a second-grade elementary school student.

[3] In April 2016, she was accepted into Class D1 of the Japan Shogi Association (JSA) training group system,[2] and she finished tied for third in the 48th Women's Amateur Meijin Tournament [ja] later that same year in October.

[5] Katō advanced to the finals of the 27th Kurashiki Tōka Cup  [ja] challenger tournament in September 2019, but lost to Sae Ito.

[6][7] Katō defeated Ayano Hori to win the 7th Women's Professional Yamada Challenge Cup [ja] in January 2023 for her first shogi tournament championship.

Katō is suffers from a congenital muscular disease and finds it difficult to sit in the seiza position required for some official games.