| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.88/5 | 4.46/5 |
| Vol 2 | 3.92/5 | 4.48/5 |
| Vol 3 | 3.96/5 | 4.49/5 |
| Vol 4 | 3.91/5 | 4.47/5 |
| Vol 5 | 3.88/5 | 4.46/5 |
| Vol 6 | 3.87/5 | 4.46/5 |
| Vol 7 | 3.87/5 | 4.46/5 |
| Vol 8 | 4.00/5 | 4.51/5 |
| Vol 9 | 3.95/5 | 4.49/5 |
| Vol 10 | 3.98/5 | 4.50/5 |
| Vol 11 | 3.92/5 | 4.48/5 |
| Vol 12 | 4.01/5 | 4.51/5 |
| Overall | 3.93/5 | 4.51/5 |