They all said that the end was coming. But when the stars begin to extinguish, we use the smoke in our memories, the unsent love letters, and thousands of pairs of hands holding strangers to tell this cold universe that humans are a bunch of fools who can't even learn to destroy.
This is a story about how idiots used the stupidest method to write "We are here" in the Milky Way. They turned their mortal bodies into sparks and their heartbeats shook the Milky Way.
Concept: When the universe itself is about to wipe out human civilization, a group of underappreciated losers, little people and "obsolete technology" use the most fragile emotions and memories in civilization to carve traces of "we existed" on the curtain of the galaxy.