Siheyuan: Kun Zijue Is Activated, and the System Is Tied at the Beginning

I had a splitting headache and opened my eyes to see the mottled yellow earth walls, and the door of the tavern on Qianmen Street was locked. Traveling to the parallel dimension Siheyuan world, the dormant system can only be activated by practicing Kun Zi Jue together - these days, you have to find the right path first. I leaned on the edge of the bed to sort out my body before thinking about how to speak.