Humanity survives in patches protected by magic in a world ruled by flame fiends after the final war. Pathogens make fire deadly, but a rumor of the returning “Flickering Flame” comet spreads.

Touko, a paper village girl, and Koushi, a factory worker’s son, cross paths amid this chaos, sparking a thrilling journey toward destiny and the coveted flame of the Millennial Comet.

[Source: Crunchyroll]