CW: death, pregnancy At the edge of the border which humanity once drew around their sun, a pair of bodies less than planets has danced for billions of years. Tidally locked, they gaze upon the other’s lonely face, longing for the day they will make contact again. In 2274, humans made their final exploratory outpost on one of these bodies; Charon, the largest moon of Pluto, was made home to the furthest point of human domination in the known universe (relative to their origin point on Earth).