| Kaisei Ishii | ||
| Birth Date | 2000-04-02 (age 24) | |
| Birth Place |  |
Fukuoka |
| Height | 174 cm | |
| Weight | 65 kg | |
| Position | Forward | |
| Club | |
FC Ryukyu |
| Number | 11 | |
| Club Statistics | ||||||
| Season | Club | No. | League | Game | Goal | |
| 2019 | |
Sagan Tosu | 33 | J1 | 1 | 0 |
| 2020 | |
Sagan Tosu | 33 | J1 | 18 | 3 |
| 2021 | |
Sagan Tosu | 19 | J1 | 5 | 0 |
| 2021 | |
Ehime FC | 40 | J2 | 12 | 1 |
| 2022 | |
Sagan Tosu | 33 | J1 | 0 | 0 |
| 2022 | |
Yokohama FC | 29 | J2 | 0 | 0 |
| 2023 | |
Yokohama FC | 29 | J1 | 0 | 0 |
| 2024 | |
FC Ryukyu | 11 | J3 | ||
| Total | J1 | 24 | 3 | |||
| J2 | 12 | 1 | ||||
| J3 | 0 | 0 | ||||
