Ajin Arc Chapter Count Comparison
How long is each Ajin story arc? Compare 10 File counts from Discovery (5) to Flood (11) with visual bars and Kodansha volume ranges. See table with ratios.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Discovery Arc Joint shortest at 5. | 5 chapters | Files 1-5, Kei discovered fugitive | Kodansha Ajin Vol. 1 table: Files 1-5, 5 chapters |
| Lab Arc 9 chapters. | 9 chapters | Files 6-14, lab Sato rescue split | Kodansha Ajin Vol. 2-3 tables: Files 6-14, 9 chapters |
| First Strike Arc 10 chapters. | 10 chapters | Files 15-24, Grant strike declaration | Kodansha Ajin Vol. 4-5 tables: Files 15-24, 10 chapters |
| Hiding Arc 9 chapters. | 9 chapters | Files 25-33, hiding Tosaki pact | Kodansha Ajin Vol. 6-7 tables: Files 25-33, 9 chapters |
| Forge Arc 10 chapters. | 10 chapters | Files 34-43, forge safety battle | Kodansha Ajin Vol. 8-9 tables: Files 34-43, 10 chapters |
| Fallout Arc 10 chapters. | 10 chapters | Files 44-53, fallout new players | Kodansha Ajin Vol. 10-11 tables: Files 44-53, 10 chapters |
| Iruma Base Arc 9 chapters. | 9 chapters | Files 54-62, Iruma base wave | Kodansha Ajin Vol. 12-13 tables: Files 54-62, 9 chapters |
| Counterattack Arc Joint shortest at 5. | 5 chapters | Files 63-67, counterattack dead heat | Kodansha Ajin Vol. 14 table: Files 63-67, 5 chapters |
| Flood Arc Longest at 11. | 11 chapters | Files 68-78, flood IBM truth | Kodansha Ajin Vol. 15-16 tables: Files 68-78, 11 chapters |
| Final Run Arc 8 chapters. | 8 chapters | Files 79-85 plus Final, seal run | Kodansha Ajin Vol. 17 table: Files 79-85 plus Final, 8 chapters |
About this converter
Ajin splits into community-labeled arcs across the good Afternoon run, and this page compares ten blocks from File 1 to the Final chapter. The Discovery and Counterattack blocks run 5 Files each and tie as shortest here. The Flood block runs 11 Files and stands as longest here. Counts come from Kodansha volume tables for all 17 books, with decimal extras counted inside their parent arc. The run closed with the Final chapter, so this table covers the complete story of 85 Files plus the finale.
How to use it
Pick two arcs and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. Try 1 Flood arc against Discovery arc to see the 11 to 5 gap. All rows use Chapters, so the unit stays fixed. Click any table row to load it as Entry A with amount 1.
Kodansha publishes no official arc names, so labels here follow community usage with exact File ranges pinned. File 00 about Nakamura is a prequel extra in vol. 2 and sits outside the integer counts. Decimal chapters like 22.5 and 54.5 stay inside their arcs. Vols. 1 to 17 in English collect the same Files, so English readers can map arcs to books.
FAQ
Which Ajin arc is longest?
The Flood arc at 11 Files, Files 68-78.
Which Ajin arc is shortest?
Discovery and Counterattack at 5 Files each.
Are these official arc names?
No. Kodansha publishes no official arc names. Labels follow community usage with exact ranges.
Does this cover the full story?
Yes, Files 1-85 plus the Final chapter. The run is complete.
Sources
- Sakurai, G. Ajin manga Files 1-85 plus Final (Kodansha good Afternoon, 2012-2021)
- Kodansha Ajin volume tables: arc File ranges Files 1-85 plus Final
- Vertical and Kodansha USA English vols (File to volume mapping cross-check)
Last verified: 2026-10-16 · 10 entries
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