七都市物語 [Nana Toshi Monogatari]

A compact, five-issue science-fiction saga published by Kōdansha from 2017 to 2019, 七都市物語 (Nana Toshi Monogatari) imagines a future world transformed by catastrophic climate change, where humanity clings to survival in seven floating city-states. The series explores the political and social tensions that arise as these isolated metropolises navigate resource scarcity, shifting alliances, and the looming threat of a new ice age. Best known for its intricate world-building and atmospheric art, this short but ambitious work offers a focused, character-driven look at resilience and conflict in a post-apocalyptic setting.