| Date | Description |
|---|---|
| 2023-06-04 | delete president Toyoaki Miwa |
| 2023-06-04 | delete person Toyoaki Miwa |
| 2023-02-17 | update person_description Takumi Nakazawa => Takumi Nakazawa |
| 2023-01-16 | update person_description Takumi Nakazawa => Takumi Nakazawa |
| 2022-09-12 | insert person Takumi Nakazawa |
| 2022-09-12 | update person_title Toyoaki Miwa: President; Representative; School President => President; Representative |