: The phrasing suggests it may be a specific title from a niche platform (such as a web novel, indie game, or specialized manga) that has not reached mainstream databases or major English-language search indices.

The label of "Secretary" in anime tropes often implies a character who manages schedules and fetches coffee. In Umi’s case, the term is synonymous with "Chief of Operations." She is the administrative and tactical engine that keeps the Vigilante Crew running.