| Category | Achievement |
| Sub Achievement | Wonders of the World |
| Reward | 5/10/20 Primogems |
Requirement
Activate 10/30/60 tunes in the Serenitea Pot using the Euphonium Unbound furnishing series.
Collect and activate 10/30/60 Radiant Spincrystals.
It’s Yesterday Once More
