Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2026 |  | Gyu-hyun Uhm | MF |  | FC Seoul U15 | U15 |
| 01/2026 | | Ju-chan Rhee | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2026 | | Jeong-beom Son | MF |  | FC Seoul | FC Seoul |
| 01/2026 | | Hyeon-gung Jeong | FW | | FC Seoul | FC Seoul |
FC Seoul U18
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2026 | | Gyu-hyun Uhm | MF | | FC Seoul U15 | U15 |
| 01/2026 | | Ju-chan Rhee | FW |
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2026 | | Jeong-beom Son | MF | | FC Seoul | FC Seoul |
| 01/2026 | | Hyeon-gung Jeong | FW | | FC Seoul | FC Seoul |