Hiiragi is a yokai who appears in the sixth season of the Natsume Yūjin-Chō Roku anime. Her background is that she was forcibly tied to an old storehouse that once belonged to a prominent family. Bound by a rope that she could not break, she was compelled to curse anyone who attempted to open the storehouse.

Information regarding Hiiragi's personality, motivations, specific role in the story, key relationships with other characters, her development throughout the arc, and any notable abilities beyond her enforced curse is not available in the provided search results.