Chaika: The Coffin Princess (2014)

Chaika: The Coffin Princess follows Chaika Trabant, a mysterious girl carrying a coffin, who enlists saboteurs Toru and Akari Acura to help her gather the scattered remains of a slain emperor. The series blends fantasy adventure with political intrigue, uncovering competing factions, hidden agendas, and the origins of Chaika’s identity. Its mix of travel-based storytelling, magic-driven combat, and unfolding mystery shapes a character-focused journey through a fractured empire.

Från IMDB:
A mysterious girl carrying a coffin is on a quest to gather magical remains scattered throughout the land.