同・級・生！！
どう きゅう せい
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 5,437 | 1,887 | 1,103 | 58% | 9.64 | ||
 |
同・級・生！！ １ | 1,966 | 939 | 592 | 63% | 939 | 10.51 |
 |
同・級・生！！ ２ | 1,726 | 814 | 532 | 65% | 503 | 9.13 |
 |
同・級・生！! ３ | 1,745 | 878 | 592 | 67% | 445 | 9.28 |