Xia City lies hidden at the heart of the Lost Forest, unknown to the world.
With Mu Yang on his back, Mu Zichen wandered through the city and discovered that its once-bustling streets were almost deserted. Faint, muffled sobs could be heard from inside the houses.
After asking around, Mu Zichen learned that pairs of twins had been disappearing for no apparent reason. Furious, he ran to confront Mu Yang, only to be berated by him...
