| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.06/5 | 4.62/5 |
| Vol 2 | 4.05/5 | 4.62/5 |
| Vol 3 | 4.09/5 | 4.64/5 |
| Vol 4 | 3.25/5 | 4.57/5 |
| Vol 5 | 3.20/5 | 4.57/5 |
| Vol 6 | 3.50/5 | 4.56/5 |
| Vol 7 | 2.68/5 | 4.34/5 |
| Vol 8 | 3.50/5 | 4.56/5 |
| Vol 9 | 4.00/5 | 4.60/5 |
| Vol 10 | 3.61/5 | 4.57/5 |
| Vol 11 | 3.43/5 | 4.56/5 |
| Vol 12 | 4.09/5 | 4.63/5 |
| Vol 13 | 3.20/5 | 4.56/5 |
| Vol 14 | 3.23/5 | 4.54/5 |
| Vol 15 | 2.95/5 | 4.54/5 |
| Overall | 3.52/5 | 4.64/5 |