**DeepL Translation:** The girl flies. To take her revenge. The Earth has been consumed by a miasma caused by the appearance of a mysterious monster. The only thing that could fight it was a bioweapon called the "Mercy". ――This is a sorrowful story of the beautiful girls.
Shoujo Juuki is a completed manga by Dormicum, first published in 2022. It blends sci-fi, action, psychological and tragedy. You can read all 18 available chapters of Shoujo Juuki online for free on MangaPulse; the newest is Chapter 14, added 2024-05-19. The series is finished, so you can read it from start to end in one go.