Avispa U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-01 | Shohei Takemoto | Avispa U18 | Avispa Fukuoka | — |
| 2025-02-01 | Ichika Maeda | Avispa U18 | Avispa Fukuoka | — |
| 2025-02-01 | Abdul Hanan Sani Brown | Avispa U18 | Avispa Fukuoka | — |
| 2024-04-01 | Shohei Takemoto | Avispa Jg | Avispa U18 | — |
| 2019-02-01 | Yuji Kitajima | Avispa U18 | Avispa Fukuoka | — |
| 2016-02-01 | Takehiro Tomiyasu | Avispa U18 | Avispa Fukuoka | — |