爆音列島
Archipelago of Roaring Engines
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 4,443 | 1,632 | 955 | 58% | 6.57 | ||
 |
爆音列島（１） | 2,036 | 993 | 647 | 65% | 993 | 8.38 |
 |
爆音列島（２） | 1,381 | 742 | 499 | 67% | 411 | 6.55 |
 |
爆音列島（３） | 1,026 | 551 | 379 | 68% | 228 | 4.77 |