Observer A feat. Hatsune Miku
Ruliea
#137
Peak
12 wk
Weeks on chart
+25,198
Views gained
April 2026 (Week 1)
Debut
Rank history
| Week | Rank | Views gained |
|---|---|---|
| April 2026 (Week 1) | #137 | +12,534 |
| April 2026 (Week 2) | #302 | +2,537 |
| April 2026 (Week 3) | #361 | +1,632 |
| April 2026 (Week 4) | #400 | +1,511 |
| April 2026 (Week 5) | #345 | +1,140 |
| May 2026 (Week 1) | #323 | +1,828 |
| May 2026 (Week 2) | #410 | +1,094 |
| May 2026 (Week 3) | #406 | +710 |
| May 2026 (Week 4) | #456 | +591 |
| June 2026 (Week 1) | #477 | +544 |
| June 2026 (Week 2) | #491 | +523 |
| June 2026 (Week 3) | #490 | +554 |
