In 2187, just after the autumnal equinox, the clouds over the abandoned capital were thicker than those in late winter. The lead-gray clouds were torn into strands by the high-altitude turbulence, which was very similar to Xia Yuan's mood when she took apart the old century oscilloscope at this moment - the threads were so messy that people wanted to smash the oscilloscope directly into Shen Jin's face that deserved a beating.