2 articles about Chihayafuru
The subject by its numbers · The Structure
A 4 by its name: builder & organizer, and therefore the structure.
What the 4 brings is foundation. The reference files it as a structure. Whatever else this section is doing, it is doing it with the 4's insistence that what lasts must be built patiently.
The Structure — schedules, formats, volumes, and the frames that hold everything up →Part 16: The Sound of a Poem Nobody Can Translate: Chihayafuru and the Untranslatable Sport
Part 46: The Unseen Equations: Games of Skill in Manga Through a Numerological Lens