Seiren Lyrics
| Song | Seiren |
| Artist | Café Rainbird |
| Artist | 巡音ルカ |
| Album | On the Beach of the World's End |
YouTube Results (More on YouTube)
| Song | Seiren |
| Artist | Café Rainbird |
| Artist | 巡音ルカ |
| Album | On the Beach of the World's End |