The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
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- Characters from the webcomic (3 members)
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- Episodes (3 members)
- Females (12 members)
- General Templates (2 members)
- Help (0 members)
- Images (14 members)
- Items (5 members)
- Kazehaya High School students (16 members)
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- Males (11 members)
- Manga Images (486 members)
- Media (20 members)
- Music (3 members)
- Nagatoro Wiki (20 members)
- Navigation Templates (4 members)
- Pages using duplicate arguments in template calls (2 members)
- Pages with broken file links (1 member)
- Real World (1 member)
- Rules (7 members)
- Site maintenance (2 members)
- Subpages (5 members)
- Template documentation (33 members)
- Templates (45 members)
- Templates/Infobox (15 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Theme Images (11 members)
- Video Game Images (5 members)
- Videogames (1 member)
- Videos (4 members)
- Volumes (10 members)
- Webcomic Images (14 members)
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