Hundred Handles Handling the World

Overview

In a future Japan where a meteor strike has brought about the end of humanity, Kaina survives a helicopter crash that claimed her family. Though she lost an arm in the accident, she was saved by a man named Kazan Aramaki. Since then, she has lived a fulfilling life with her savior deep in the mountains. However, their peace is shattered when a man visits Kazan carrying a single "arm." This encounter warps Kaina’s destiny, sending it spiraling into overdrive. Brought to you by the powerhouse duo of Ningen Rokudo and Keigo Anaguma, a raging post-apocalyptic Sci-Fi supernatural battle saga begins now! (Source: Comiplex, translated)

Source: AniList