4軍くん（仮）
Mr. 4th Division (Temporary)
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 8,920 | 2,666 | 1,453 | 54% | 13.68 | ||
 |
4軍くん（仮） 1 | 3,431 | 1,456 | 937 | 64% | 1,456 | 15.11 |
 |
4軍くん（仮） 2 | 2,528 | 1,072 | 684 | 63% | 608 | 11.76 |
 |
4軍くん（仮） 3 | 2,961 | 1,277 | 801 | 62% | 602 | 14.17 |