Riding the tram all the way forward, passing through several districts, finally reaching the city center, which is the core of Opus, the most prosperous and magnificent place, where towering buildings are countless, like a jungle of iron and concrete.
The official name of this district is rarely mentioned, citizens often call it the "Agreement District" because sixty-six years ago, it was here that the Kagader Empire and the Rhine Alliance signed a contract, made a vow, and agreed on the future of Opus.
It's said that the vow contract is still preserved in the ruins of King Solomon's Golden Palace, but unfortunately, it is not open to the public, citizens can only see the gold reflected in the sky from a distance, under which is the Golden Palace cast from gold.
