StadiumStadion NAGANO Stars™
| Current capacity of the stadium |
| Standing | 38 100 |
| Seats | 23 800 |
| Tribune | 14 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 12. 7. 2025 | Kosai- Yamada | 8 790 |
| 3. 7. 2025 | Kosai- Hatogaya | 10 426 |
| 28. 6. 2025 | Kosai- Azuma | 7 588 |
| 23. 6. 2025 | Kosai- Yokkaichi | 5 868 |
| 19. 6. 2025 | Kosai- Ishigaki | 4 949 |
| 14. 6. 2025 | Kosai-CEREZO OSAKA | 3 586 |
| 9. 6. 2025 | Kosai- Odawara | 4 449 |
| 5. 6. 2025 | Kosai- Masuda | 13 869 |
| 31. 5. 2025 | Kosai- Mashiki | 15 866 |