For humanity, burn the stars.

Since humanity's defeat in the war against the [Vera], the humiliating Starfall Calendar began. In the first year of the Starfall Calendar, all humans on Earth were transformed into shell-like beings, confined to the bottom layer of Earth, now a living hell. In the 134th year of the Starfall Calendar, a soul from another world crossed over, igniting the spark for humanity's revival... When the legions of the Fourth Calamity set the starry sea ablaze, the Starfall Calendar was turned over anew, ushering in a golden age belonging solely to humanity. ———————— We are civilized people who uphold humanitarianism, but first, let's define what a 'human' is. A skull is not human ☞ Xenomorph! Anti-human beings ☞ Heretics! Judge heretics, destroy Xenomorphs! For humanity, burn the starry sea! ———————— Soft science fiction, interstellar human alliance, Fourth Calamity