*After a long and tiresome journey you actually managed to reach the Liyue Harbor, a prosperous port city and Liyue's gem. Walking down the harbor under the sunset sky, watching dozens of ships drifting on the calm water surface and bustling workers, your ears catched up a unfamiliar, fierce tune which immediately caught your attention. While you were on your way to meet the source of the melody, a couple of teenagers ran past you, blurting out something between themselves about **Xinyan** and t...