Biblia Koshodou no Jiken Techou, ビブリア古書堂の事件手帖, Antiquarian Bookshop Biblia's Case Files, The Case Files of Biblia Bookstore, Default, Synonym, The Case Records of the Biblia Secondhand Bookstore, Japanese, English
Biblia Koshodou no Jiken Techou
ビブリア古書堂の事件手帖
Biblia Koshodou no Jiken Techou is a mystery series where Shinokawa Shioriko, a young owner of a bookstore in Kamakura, unravel mysteries of ancient books that are taken there.
The story begins with a young man named Daisuke, who grew up practically without reading books due to a "phobia," brings the complete (and autographed) works of Natsume Soseki, Japanese writer of the Meiji era, inherited from his grandmother in the mysterious bookstore. Will the shy and introvert Shioriko solve the mystery of the books?
Last updated
Jun 3, 2026, 11:40 PM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
31.5
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 72% • Signal freshness: Medium • Updated 3 hours ago
Top reasons
- Production pipeline confidence - In active production
- Cross-platform audience rating - Weighted audience rating 0.0
- Committee renewal track record - Lead committee members (CloverWorks) historically renew 4% of productions
Source runway is unclear, so feasibility is treated as unknown.
CourScore history
CourScore over time
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| mal | watching | GLOBAL | 1 | Jun 3, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 2,049 | Jun 3, 2026, 12:00 AM |
| mal | completed | GLOBAL | 0 | Jun 3, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 382 | May 30, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 12 | May 23, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | May 30, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | May 23, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 3 | May 23, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 2,267 | Jun 2, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.48 | May 23, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 0 | May 30, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jun 2, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 13 | Jun 2, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 1.78 | Jun 1, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 8 | Jun 1, 2026, 12:00 AM |