| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Junior ladies, Intermediate novice boys) |
| 2 | Tohoku-Hokkaido Regional Championships 2021 | Sapporo | 2021-10-01 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 3 | Tokyo Regional Championships 2020 | Nishitokyo | 2020-10-09 | Judge (Senior ladies, Junior men, Advanced novice girls, Intermediate novice boys) |
| 4 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 5 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
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