Tori Koana (Fujiyoshida, JPN) finished 6-2 in the 9-team qualifying round. . In their opening game, Koana defeated Mayu Natsuizaka (Sapporo, JPN) 11-1, then won 10-3 against Wakaba Kawamura (Aomori, JPN) and 8-1 against Aki Goto (Suzuka, JPN). Koana went on to lose 5-4 against Satsuki Fujisawa (Kitami, JPN). Koana responded with a 6-5 win over Sayaka Yoshimura (Sapporo, JPN). Koana went on to lose 9-8 against Seina Nakajima (Nagano, JPN). Koana responded with a 9-3 win over Kaede Kudo (Tokyo, JPN). Koana won 13-1 against Minako Tsuji (Karuizawa, JPN) in their final qualifying round match.
 
Koana earned 16.388 world rankings points for their Top 4 finish in the ZEN-NOH Japan Curling Championships. Koana move up 3 spots after posting a net gain of 12.691 points improving upon their best 8 results so far this season, ranking 42nd overall with 99.845 total points on the World Ranking Standings. Koana ranks 42nd overall on the Year-to-Date rankings with 99.845 points earned so far this season.