| Competition | City | Date | Roles |
|---|
| 1 | 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)
|
| 2 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 3 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Specialist (Advanced novice girls)
Assistant (Advanced novice boys)
|
| 4 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Specialist (Senior men, Junior men, Basic novice B boys)
Assistant (Senior ladies, Advanced novice girls)
|
| 5 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Specialist (Advanced novice boys)
Assistant (Advanced novice girls)
|
| 6 | Tokyo Regional Championships 2015 | Tokyo | 2015-09-24 | Specialist (Senior ladies, Advanced novice boys)
Assistant (Junior men, Basic novice B girls)
|
| 7 | 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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