| Competition | City | Date | Roles |
|---|
| 1 | Japan Novice Championships 2021 | Otsu, Shiga | 2021-10-24 | Judge (Advanced novice girls, Intermediate novice boys) |
| 2 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 3 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Judge (Senior men, Junior men, Advanced novice girls, Basic novice B boys, Basic novice B girls) |
| 4 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys) |
| 5 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Judge (Junior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
| 6 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
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