Flat Region Lyrics
| Song | Flat Region |
| Artist | 結月ゆかり |
| Artist | Azuma |
| Album | 月の詩 VII - ツキノウタ - |
YouTube Results (More on YouTube)
| Song | Flat Region |
| Artist | 結月ゆかり |
| Artist | Azuma |
| Album | 月の詩 VII - ツキノウタ - |