StadiumStadion NAGANO Stars™
| Current capacity of the stadium |
| Standing | 38 100 |
| Seats | 23 800 |
| Tribune | 14 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 8. 10. 2026 | Kosai- Ninohe | 17 389 |
| 3. 10. 2026 | Kosai- Shido | 28 121 |
| 28. 9. 2026 | Kosai- Takasaki | 15 595 |
| 24. 9. 2026 | Kosai- Harue | 13 209 |
| 20. 9. 2026 | Kosai- Kiyose | 21 032 |
| 19. 9. 2026 | Kosai- Suita | 12 712 |
| 14. 9. 2026 | Kosai- Toyo | 4 300 |
| 10. 9. 2026 | Kosai- Yokosuka | 4 174 |
| 5. 9. 2026 | Kosai- Nakamura | 4 372 |