Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2015 |  | Vlada Avramov | GK | |||
| 07/2015 |  | Nathan Burns | MF |  | Wellington Phoenix | Wellington Ph. |
| 07/2015 |  | Sotan Tanabe | MF |  | CE Sabadell | Sabadell |
| 07/2015 |  | Francisco Sandaza | FW |  | Girona FC | Girona |
| 06/2015 | | Go Hatano | GK | |||
| 04/2015 | | Sei Muroya | DF |  | Meiji University FC | Meiji University FC |
| 04/2015 | | Kento Hashimoto | MF | |||
| 02/2015 | | Shuto Kohno | MF |  | JEF United Chiba | JEF United |
| 01/2015 | | Tatsuya Enomoto | GK |  | Tochigi SC | Tochigi SC |
| 01/2015 | | Yuichi Maruyama | DF |  | Shonan Bellmare | Shonan Bellmare |
| 01/2015 | | Tatsuki Nara | DF | |||
| 01/2015 | | Yohei Hayashi | FW |  | Oita Trinita | Oita Trinita |
| 01/2015 | | Ryoichi Maeda | FW |  | Júbilo Iwata | Júbilo Iwata |
| 01/2015 |  | Lassad Nouioui | FW | |||
| 01/2015 | | Takayoshi Amma | AS-CO |  | Kataller Toyama | Kataller Toyama |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2015 |  | Michele Canini | DF |  | Ascoli Calcio U19 | Ascoli U19 |
| 07/2015 | | Yoshinori Mutō | FW |  | 1. FSV Mainz 05 | Mainz 05 |
| 01/2015 | | Ryotaro Hironaga | GK |  | Sanfrecce Hiroshima | Sanfrecce |
| 01/2015 | | Hitoshi Shiota | GK |  | RB Omiya Ardija | RB Omiya Ardija |
| 01/2015 | | Kenichi Kaga | DF |  | Urawa Red Diamonds | Red Diamonds |
| 01/2015 |  | Matheus Ferraz | DF |  | Boa Esporte - MG | Boa EC |
| 01/2015 | | Kenta Mukuhara | DF |  | Cerezo Osaka | Cerezo |
| 01/2015 | | Edu | FW |  | Jeonbuk FC | Jeonbuk |
| 01/2015 | | Kazuma Watanabe | FW |  | Vissel Kobe | Vissel Kobe |