Originally a very well respected culinary institute founded within the Xin Xia Dynasty.

Within the Sagittarius Arm, having been cut off from it’s main headquarters, Yang Si has been slowly taken over by a criminal element that use Yang Si’s name as cover. For all intents and purposes, this has been successful, as most individuals not within politics or law enforcement, are still not fully aware of the change within the institution.

Yang Si are the inventors and distributors of the most recent narcotic, Crystal Blue.