Kemurikusa (TV)

In a world swallowed by red fog, Rin and her sisters cling to life aboard a makeshift railcar built around a strange tree. Water is running out, hostile red insects roam the ruins, and every journey beyond their small refuge is dangerous. Then Wakaba appears, a curious boy who remembers almost nothing about himself.

Rin is wary of the newcomer, but Wakaba's fascination with the mysterious Kemurikusa leaves soon proves useful. Together they travel across abandoned islands in search of water, following old rails through a landscape filled with remnants of a vanished civilization. With each discovery, the questions surrounding Wakaba, the sisters, and the ruined world become harder to ignore.