| Competition | City | Date | Roles |
|---|
| 1 | Chu-Shikoku-Kyushu Regional Championships 2023 | Fukuoka | 2023-10-06 | Specialist (Junior ladies)
|
| 2 | Chubu Regional Championships 2022 | Nagoya | 2022-09-23 | Specialist (Advanced novice boys, Advanced novice girls, Intermediate novice boys)
|
| 3 | Tokyo Regional Championships 2020 | Nishitokyo | 2020-10-09 | Specialist (Senior ladies, Advanced novice girls)
Assistant (Junior men, Intermediate novice boys)
|
| 4 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Specialist (Junior ladies)
Assistant (Senior ladies, Advanced novice boys)
|
| 5 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 6 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Specialist (Advanced novice boys, Advanced novice girls)
Assistant (Junior ladies)
|
| 7 | Kanto Regional Championships 2017 | Kanagawa | 2017-09-28 | Specialist (Senior men, Junior men, Advanced novice girls)
Assistant (Senior ladies, Basic novice B boys)
|
| 8 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Specialist (Junior ladies, Advanced novice girls)
Assistant (Senior men, Basic novice B boys)
|
| 9 | Eastern Section Championships 2016 | Nishitokyo | 2016-11-04 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 10 | Tokyo Regional Championships 2015 | Tokyo | 2015-09-24 | Specialist (Junior ladies, Basic novice B boys)
Assistant (Senior men, Advanced novice girls)
|
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