(PS: It's already finished, so don't worry about any outline escapes, it's truly completed after finishing the plot.)
The luxury cruise ship that Princess Yulan was aboard entered the Star Port.
This is the Sixth Parallel Universe, in the early Silver Age, home to the special race of the Ai Clan.
The Ai Clan is a derivative race of the Golden Races Earth Clan, a type of quasi-elemental life form, holding a status in this parallel universe similar to that of the Silver Elves in the universe where Human Forces reside, and it's at its peak, having just planted the Civilization World Tree, a moment of utmost vigor.
However, the accompanying Golden Fleet of the Parallel Universe Development Corps directly extinguished all its ambitions.
