| Competition | City | Date | Roles |
|---|
| 1 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 2 | Eastern Section Championships 2022 | Maebashi City | 2022-11-03 | Specialist (Senior ladies)
|
| 3 | Western Section Championships 2022 | Kyoto | 2022-10-27 | Specialist (Senior men)
|
| 4 | Chubu Regional Championships 2022 | Nagoya | 2022-09-23 | Specialist (Senior ladies)
|
| 5 | Eastern Section Championships 2021 | Tokyo | 2021-10-28 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 6 | Japan Novice Championships 2019 | Nishitokyo | 2019-10-18 | Specialist (Intermediate novice girls)
Assistant (Advanced novice boys)
|
| 7 | Tohoku-Hokkaido Regional Championships 2018 | Sapporo | 2018-09-21 | Specialist (Senior ladies, Basic novice B boys)
Assistant (Senior men, Junior men, Basic novice B girls)
|
| 8 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 9 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Specialist (Advanced novice girls)
Assistant (Advanced novice boys)
|
| 10 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Specialist (Senior men, Junior men, Basic novice B boys)
Assistant (Senior ladies, Advanced novice girls)
|
| 11 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Specialist (Advanced novice boys)
Assistant (Advanced novice girls)
|
| 12 | Tokyo Regional Championships 2015 | Tokyo | 2015-09-24 | Specialist (Senior ladies, Advanced novice boys)
Assistant (Junior men, Basic novice B girls)
|
| 13 | Kanto Regional Championships 2014 | Nagano | 2014-09-25 | Specialist (Senior men, Junior men, Advanced novice girls)
Assistant (Senior ladies, Senior men, Advanced novice boys, Basic novice B boys)
|
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