#2nd.. <3 started and finished while procrastinating the first. they love to just relax/sleep within its walls where they can-

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Decades after total nuclear war wiped out the bulk of humanity, a few roaming populations spent their days city-hopping for supplies. Before the war, City Nexi were an emerging form of artificial intelligence built for managing how a city or district functioned. These were typically used for weapons-making and were either destroyed or went rogue post-war.

Ari is the unofficial leader of a group of survivors familiar with how bloodthirsty these AI can be, because they're running on broken code, following a purpose to protect their weapons despite their purpose being long since past. Because of a drastic loss in information, it was presumed every Nexus was hostile, but Ari's group stumbles upon a Nexus built not for churning out war machines, but, of all things, urban planning. And, most startling of all, it is strikingly sentient, in a quiet, enigmatic way.

The Nexus's hub was in complete overgrowth and disrepair after so long, and quickly got attached to the first humans to fill its empty streets in years. Ari, an engineer, is thrilled to be able to repair and learn about such an endlessly complicated latticework of intelligence and steel.