2021 April – 2022 March
- Yuka Fujii
- Akimasa Kataoka
- Dainotti, Maria Giovanna
- Hidetoshi Sano
- Takahiro Ueda
- Kenji Furuya
- Misako Tatsuuma
- Luo, Yudong
2020 April – 2021 March
- Yuka Fujii
- Akimasa Kataoka
- Yen-Chen Pan
- Hidetoshi Sano
- Kenji Furuya
- Misako Tatsuuma
- Kanji Mori
2019 April – 2020 March
- Akimasa Kataoka
- Ryohei Kawabe
- Masato Shirasaki
- Akihiro Suzuki
- Shinsuke Takasao
- Misako Tatsuuma
- Hideaki Takemura