Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2023 |  | Shoya Nakajima | MF |  | Antalyaspor | Antalyaspor |
| 07/2023 |  | Ekanit Panya | MF |  | Muangthong United | Muangthong Utd |
| 07/2023 | | Hiroki Abe | FW |  | FC Barcelona B | Barcelona B |
| 07/2023 | | Yuta Miyamoto | MF |  | KMSK Deinze | SK Deinze |
| 03/2023 |  | José Kanté | FW |  | Cangzhou Mighty Lions | Cangzhou ML |
| 02/2023 |  | Marius Høibråten | DF |  | FK Bodø/Glimt | Bodø/Glimt |
| 02/2023 | | Nobuyasu Ikeda | AS-CO |  | Urawa Red Diamonds U18 | U18 |
| 02/2023 |  | Rafał Janas | AS-CO | |||
| 01/2023 | | Shun Yoshida | GK |  | Oita Trinita | Oita Trinita |
| 01/2023 | | Takuya Ogiwara | DF |  | Kyoto Sanga FC | Kyoto |
| 01/2023 | | Yota Horiuchi | MF | | Urawa Red Diamonds U18 | U18 |
| 01/2023 | | Shinzo Koroki | FW |  | Hokkaido Consadole Sapporo | Consadole |
| 01/2023 | | Toshiki Takahashi | FW |  | Roasso Kumamoto | Roasso Kumamoto |
| 01/2023 | | Maciej Skorża | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2023 | | Zion Suzuki | GK |  | Sint-Truidense VV | STVV |
| 07/2023 | | Tomoya Inukai | DF |  | Kashiwa Reysol | Kashiwa Reysol |
| 07/2023 |  | David Moberg Karlsson | FW |  | Aris Saloniki | Aris Saloniki |
| 07/2023 | | Kai Matsuzaki | MF |  | Vegalta Sendai | Vegalta Sendai |
| 01/2023 | | Yusuke Matsuo | MF |  | KVC Westerlo | KVC Westerlo |
| 01/2023 | | Yuta Miyamoto | MF | | KMSK Deinze | SK Deinze |
| 01/2023 | | Kota Kudo | DF |  | Fujieda MyFC | Fujieda MyFC |
| 01/2023 | | Ataru Esaka | MF |  | Ulsan HD FC | Ulsan HD FC |
| 01/2023 |  | Kasper Junker | FW |  | Nagoya Grampus | Nagoya Grampus |
| 01/2023 | | Rei Kihara | FW |  | AC Nagano Parceiro | Nagano Parceiro |
| 01/2023 | | Tadaaki Hirakawa | AS-CO | | Urawa Red Diamonds U18 | U18 |