StadiumStadion NAGANO Stars™
| Current capacity of the stadium |
| Standing | 38 100 |
| Seats | 23 800 |
| Tribune | 14 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 8. 1. 2026 | Kosai- Utashinai | 12 418 |
| 3. 1. 2026 | Kosai- Ohira | 9 987 |
| 29. 12. 2025 | Kosai- Odawara | 10 214 |
| 25. 12. 2025 | Kosai- Nyuzen | 13 079 |
| 20. 12. 2025 | Kosai- Masuda | 9 532 |
| 15. 12. 2025 | Kosai- Mashiki | 6 804 |
| 14. 12. 2025 | Kosai- Fukushima | 8 997 |
| 11. 12. 2025 | Kosai- Kurihashi | 19 198 |
| 7. 12. 2025 | Kosai-Zimnicea | 29 620 |