Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2026 |  | Koki Kurahashi | DF |  | Kashima Antlers U18 | U18 |
| 11/2026 | | Daigo Hirashima | MF | | Kashima Antlers U18 | U18 |
| 11/2026 | | Eito Takaki | FW | | Kashima Antlers U18 | U18 |
| 10/2026 | | Haruto Matsumoto | DF |  | Kataller Toyama | Kataller Toyama |
| 10/2026 | | Rui Onuki | MF | | Kashima Antlers U18 | U18 |
| 09/2026 | | Sho Omori | DF |  | Mito HollyHock | Mito HollyHock |
| 07/2026 | | Rikuto Hirose | DF |  | Vissel Kobe | Vissel Kobe |
| 07/2026 |  | Yan | FW |  | Qatar SC | Qatar SC |
| 07/2026 | | Matheus Bueno | MF |  | Shimizu S-Pulse | S-Pulse |
| 02/2026 | | Yugo Okawa | DF | | Kashima Antlers U18 | U18 |
| 02/2026 | | Haruki Hayashi | MF |  | Meiji University FC | Meiji University FC |
| 02/2026 | | Akihiro Sato | GK-CO | |||
| 01/2026 | | Haruto Fujii | GK | | Meiji University FC | Meiji University FC |
| 01/2026 | | Naoki Suto | MF |  | Kochi United | Kochi United |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2026 | | Kimito Nono | DF |  | D.C. United | DC United |
| 07/2026 | | Ryotaro Araki | MF |  | Sint-Truidense VV | STVV |
| 07/2026 | | Haruto Matsumoto | DF | | Kataller Toyama | Kataller Toyama |
| 07/2026 | | Kei Chinen | MF |  | Yokohama F. Marinos | Marinos |
| 07/2026 | | Yu Funabashi | MF | | Mito HollyHock | Mito HollyHock |
| 07/2026 | | Shu Morooka | FW |  | Avispa Fukuoka | Avispa |
| 02/2026 | | Mihiro Sato | DF |  | Albirex Niigata | Albirex Niigata |
| 02/2026 | | Yoshihiro Shimoda | MF |  | Tochigi City | Tochigi City |
| 01/2026 | | Talles Brener | MF |  | Rukh Lviv | Rukh Lviv |
| 01/2026 |  | Eui-Jeong Park | GK |  | Hwaseong FC | Hwaseong FC |