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The Long Summer of August 31st
8月31日のロングサマー · はちがつ さんじゅういちにち の ろんぐ さまー
Year2023 〜 2026
Volumes11
Latest volumeVol. 13 2026-08-14
Estimated circulation~0.4M est.
DemographicSeinen
StatusOngoing
Publisher講談社
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Two high schoolers, Suzuki-kun and Takagi-san, met in a time loop on August 31st. They are the only ones who can retain their memories when the day repeats itself. A possible cause of the time loop is Suzuki-kun's unfinished business for the summer, a guy's greatest objective... A time loop comedy of youth that tackles love head-on! (Source: K MANGA)
Source: AniList
External databases: Wikidata · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections
Volumes
PR
モーニングKC First edition
11vols · 2023-08〜2026-08
| # | Release | ISBN | Buy | Price | Pages |
|---|---|---|---|---|---|
| Vol. 1 | 2023-08 | 9784065326688 | Rakuten · Amazon PR | 690 JPY | 173 |
| Vol. 2 | 2023-11 | 9784065336649 | Rakuten · Amazon PR | 690 JPY | 189 |
| Vol. 3 | 2024-02 | 9784065346495 | Rakuten · Amazon PR | 690 JPY | 171 |
| Vol. 4 | 2024-05 | 9784065355794 | Rakuten · Amazon PR | 760 JPY | 203 |
| Vol. 7 | 2025-02-10 | 9784065384732 | Rakuten · Amazon PR | 720 JPY | 180 |
| Vol. 8 | 2025-05-16 | 9784065395264 | Rakuten · Amazon PR | 720 JPY | 175 |
| Vol. 9 | 2025-08-08 | 9784065406144 | Rakuten · Amazon PR | 720 JPY | 175 |
| Vol. 10 | 2025-11-15 | 9784065414408 | Rakuten · Amazon PR | 720 JPY | 173 |
| Vol. 11 | 2026-02-16 | 9784065425367 | Rakuten · Amazon PR | 720 JPY | 176 |
| Vol. 12 | 2026-05-29 | 9784065435892 | Rakuten · Amazon PR | 720 JPY | 176 |
| Vol. 13 | 2026-08-14 | 9784065447314 | Rakuten · Amazon PR | 720 JPY | 176 |
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