RKD Ryugasaki: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2020-02-01 | Haruto Usui | RKU | RKD Ryugasaki | Loan |
| 2018-11-23 | Kaito Yasui | RKD Ryugasaki | RKU | — |
| 2018-08-01 | Kaito Yasui | RKU FC | RKD Ryugasaki | — |
| 2018-02-01 | Chihiro Kato | RKU | RKD Ryugasaki | Loan |
| 2017-04-02 | Hisashi Appiah Tawiah | RKU | RKD Ryugasaki | Loan |
| 2015-02-01 | Yoshiaki Arai | RKU | RKD Ryugasaki | Loan |
| 2015-02-01 | Masaru Hidaka | RKU | RKD Ryugasaki | Loan |