| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.08/5 | 4.63/5 |
| Vol 2 | 4.04/5 | 4.62/5 |
| Vol 3 | 4.02/5 | 4.61/5 |
| Vol 4 | 4.09/5 | 4.64/5 |
| Vol 5 | 4.05/5 | 4.62/5 |
| Vol 6 | 3.73/5 | 4.54/5 |
| Vol 7 | 3.74/5 | 4.52/5 |
| Vol 8 | 3.56/5 | 4.48/5 |
| Vol 9 | 2.77/5 | 4.23/5 |
| Vol 10 | 3.47/5 | 4.47/5 |
| Vol 11 | 3.46/5 | 4.47/5 |
| Vol 12 | 1.46/5 | 4.18/5 |
| Vol 13 | 1.40/5 | 4.10/5 |
| Vol 14 | 1.28/5 | 4.07/5 |
| Vol 15 | 4.16/5 | 4.66/5 |
| Vol 16 | 4.00/5 | 4.60/5 |
| Overall | 3.33/5 | 4.66/5 |