Wastesweeper

It wasn't the apocalypse that killed Zhu Ning — something else did. She was a warrior who could hold her own against the undead, fight her way through the end of the world — and then she died anyway. But instead of staying dead, she wakes up in a completely different reality: a vast, desolate wasteland governed by strange rules and an even stranger social hierarchy. She's at the bottom. Fifth-class citizen, which basically means her job is picking through garbage to survive. Not exactly the heroic second life you'd hope for. But this world isn't just bleak — it's weird. The "pollution" here takes the form of bizarre, dangerous monsters, and the deeper Zhu Ning digs into her new reality, the more she realizes something about this place (and about herself) doesn't add up. There's a massive secret lurking underneath everything, and the show takes its time letting that tension build. The vibe is dark, gritty world-building with a protagonist who's already been through hell once and isn't about to fold now. If you liked the harsh wasteland survival of I Signed Killing God in the Wasteland or the slow power climb in Leveling Up in a Fantasy World, this hits a similar nerve. There are also shades of Perfect World in how the setting treats its rigid class system. This ONA from Shenman Entertainment drops in 2026, adapted from a web novel. Worth keeping on your radar if you're into isekai that leans more post-apocalyptic than power fantasy.