| Clue | Source | Date |
|---|---|---|
| Noodle soup made with fermented soybean paste | Universal | 19 Jul 2025 |
| Soup variety that originated in Sapporo | ||
| Tonkotsu alternative | ||
| Certain Japanese noodle soup | Universal | 08 Jul 2023 |
| Noodle soup made with a paste | Universal | 03 Jul 2022 |
| Noodle soup with an umami flavor | Universal | 19 Mar 2022 |