Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2017 |  | Hiroki Yamada | MF |  | Karlsruher SC | Karlsruhe |
| 07/2017 | | Seiya Nakano | FW |  | Tsukuba University | Tsukuba University |
| 03/2017 | | Takeaki Harigaya | MF | |||
| 02/2017 | | Kotaro Fujikawa | MF | |||
| 01/2017 | | Ryuki Miura | GK |  | AC Nagano Parceiro | Nagano Parceiro |
| 01/2017 | | Shohei Takahashi | DF |  | Vissel Kobe | Vissel Kobe |
| 01/2017 | | Masaya Matsumoto | MF |  | Oita Trinita | Oita Trinita |
| 01/2017 |  | Fozil Musaev | MF |  | FC Nasaf | FC Nasaf |
| 01/2017 | | Shunsuke Nakamura | MF |  | Yokohama F. Marinos | Marinos |
| 01/2017 | | Ryu Iwamoto | FW |  | Vanraure Hachinohe | Vanraure Hachinohe |
| 01/2017 | | Kengo Kawamata | FW |  | Nagoya Grampus | Nagoya Grampus |
| 01/2017 | | Makoto Tanaka | AS-CO |  | Júbilo Iwata U18 | U18 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2017 | | Daisuke Matsui | MF |  | Odra Opole | Odra Opole |
| 03/2017 | | Takafumi Shimizu | MF |  | Mito HollyHock | Mito HollyHock |
| 02/2017 |  | Avraam Papadopoulos | DF |  | Brisbane Roar | Brisbane Roar |
| 02/2017 | | Hiroto Tanaka | MF |  | Ehime FC | Ehime FC |
| 01/2017 | | Tatsuro Okuda | GK |  | V-Varen Nagasaki | V-Varen |
| 01/2017 | | Ryoma Ishida | DF |  | Zweigen Kanazawa | Zweigen Kanazawa |