Kumo ni Noru(1991)

Kumo ni Noru is an anime series set in a Buddhist heaven where saints wage territorial battles across the clouds. Nio-maru, a warrior caught between worlds, searches desperately for his younger sister—separated from him in a tragic aircraft accident in the human realm below. Caught in the conflict between divine factions, Nio-maru must navigate the politics and violence of heaven while pursuing his personal quest. The series blends action and mythology, exploring themes of loss, redemption, and the bonds that transcend life and death. With its unique setting and emotional core, Kumo ni Noru offers a fresh take on the isekai genre, grounding supernatural conflict in deeply human stakes.