Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 |  | Daiki Niwa | DF |  | Sanfrecce Hiroshima | Sanfrecce |
| 07/2018 |  | Lins | FW |  | Ventforet Kofu | Ventforet |
| 02/2018 | | Diego Oliveira | FW |  | Kashiwa Reysol | Kashiwa Reysol |
| 01/2018 | | Kotaro Omori | MF |  | Vissel Kobe | Vissel Kobe |
| 01/2018 | | Manato Shinada | MF |  | FC Tokyo II | FC Tokyo II |
| 01/2018 | | Yoshitake Suzuki | MF |  | FC Tokyo U18 | U18 |
| 01/2018 | | Taichi Hara | FW | | FC Tokyo U18 | U18 |
| 01/2018 | | Cayman Togashi | FW |  | Yokohama F. Marinos | Marinos |
| 01/2018 | | Kiichi Yajima | FW |  | Chuo University | Chuo University |
| 01/2018 | | Kenta Hasegawa | MA |  | Gamba Osaka | Gamba |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 | | Yohei Kajiyama | MF |  | Albirex Niigata | Albirex Niigata |
| 07/2018 | | Yuichi Maruyama | DF |  | Nagoya Grampus | Nagoya Grampus |
| 06/2018 | | Kazunori Yoshimoto | DF |  | Avispa Fukuoka | Avispa |
| 02/2018 |  | Peter Utaka | FW |  | Vejle BK | Vejle BK |
| 02/2018 | | Wataru Sasaki | DF |  | Kamatamare Sanuki | Kamatamare Sanuki |
| 01/2018 | | Yūhei Tokunaga | DF |  | V-Varen Nagasaki | V-Varen |
| 01/2018 |  | In-soo Yu | MF | | Avispa Fukuoka | Avispa |
| 01/2018 | | Yoshito Okubo | FW |  | Kawasaki Frontale | Frontale |