1Before Yuma meets Osamu*
Accounts of Yuma’s family and earlier Border history reach back before the team’s formation.
Where the anime ends, and where the books carry onAnime, manga, light novels and web novels, lined up by story arc
Arc Almanac3 Oct 2026Draft. Not yet checked against the books.
8 story arcs, lined up across the anime and manga, with English and Japanese release status.
8 arcs, 3 editions tracked
Season 1 ends after The Galopoula attack.
Pick up the manga at
Volume 15, from the start
Season 2 ends after The later B-rank matches.
Pick up the manga at
Partway through chapter 160, in volume 18
Season 3 ends after After the final matches.
Pick up the manga at
Partway through chapter 196, in volume 22
Draft start points. Chapter-level mappings still need review. Report a wrong mapping.
Stopped partway through a season? Continue from any episode.
Tap a bar for volumes and chapters. Hover over or press and hold a hidden arc to read it. Rows are story order, not length. Blank space means nothing is mapped there yet.
Anime, TV
Aired. 2014
Anime, TV
Aired. 2021
Anime, TV
Aired. 2021
Manga, English
Released. Chapters 1–124
Manga, English
Released. Chapters 125–151
Manga, English
Released. Chapters 152–247
Manga, Japanese
Released. Chapters 1–124
Manga, Japanese
Released. Chapters 125–151
Manga, Japanese
Released. Chapters 152–263
| Arc | Manga | Anime |
|---|---|---|
| Before Yuma meets Osamu | Chapters 18–95 | — |
| Meeting Yuma and joining Border | Chapters 1–95 | Season 1, episodes 1–21 |
| The large-scale invasion | Chapters 43–95 | Season 1, episodes 22–37 |
| The early B-rank matches | Chapters 86–119 | Season 1, episodes 38–72 |
| The Galopoula attack | Chapters 120–136 | Season 1, episode 64–season 2, episode 11 |
| The later B-rank matches | Chapters 137–195 | Season 2, episode 5–season 3, episode 14 |
| After the final matches | Chapters 196–202 | Season 3, episode 14 (partial) |
| The expedition selection test | Chapters 203–263 | — |
Units follow their earliest mapped story position. Tied units keep published reading order; broad mappings do not establish a scene-by-scene chronology.
No story-spine mapping recorded, including originals and recaps.
| Work | Source unit |
|---|---|
| Manga | v05bonus |
| Manga | v14bonus |
| Manga | v30bonus |
| Anime | s1e48 |
| Anime | s1e49 |
| Anime | s1e50 |
| Anime | s1e51 |
| Anime | s1e52 |
| Anime | s1e53 |
| Anime | s1e54 |
| Anime | s1e55 |
| Anime | s1e56 |
| Anime | s1e57 |
| Anime | s1e58 |
| Anime | s1e59 |
| Anime | s1e60 |
| Anime | s1e61 |
| Anime | s1e62 |
| Anime | s1e63 |
Accounts of Yuma’s family and earlier Border history reach back before the team’s formation.
Osamu meets a Neighbor whose arrival changes his place within Border.
Border mobilizes to protect the city from an invasion by Aftokrator.
Tamakoma Second develops its teamwork through the first rounds of ranked battles.
Border protects its expedition ship while Tamakoma’s training continues.
Season 1 ends here
New techniques and a new teammate shape Tamakoma Second’s later matches.
Season 2 ends here
Ranked teams review the results and prepare for the next stage of Border’s work.
Season 3 ends here
Mixed squads face the tests used to select members of the expedition.
* Arc names chosen by Arc Almanac, because the books don’t name them.
Release facts are entered by hand and can lag behind the publishers.
| Watched through | Manga (Japanese) | Manga (English) |
|---|---|---|
| Season 1 | Manga vol 15, chapter 125 (out) | Manga vol 15, chapter 125 (out) |
| Season 2 | Starts partway through chapter 160. Manga vol 18 (out) | Starts partway through chapter 160. Manga vol 18 (out) |
| Season 3 | Starts partway through chapter 196. Manga vol 22 (out) | Starts partway through chapter 196. Manga vol 22 (out) |
“Out” means released in that language by 3 Oct 2026.
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