| Competition | City | Date | Roles |
|---|
| 1 | Tohoku-Hokkaido Regional Championships 2016 | Hachinohe | 2016-10-08 | Judge (Senior ladies, Senior men, Junior men, Basic novice B boys, Basic novice B girls) |
| 2 | Tohoku-Hokkaido Regional Championships 2014 | Hokkaido | 2014-10-02 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls) |
| 3 | Tohoku-Hokkaido Regional Championships 2013 | Aomori | 2013-10-11 | Judge (Junior ladies, Basic novice B girls) |
| 4 | Tohoku-Hokkaido Regional Championships 2011 | Aomori | 2011-10-12 | Judge (Junior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
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