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, The Case Records of the Biblia Secondhand Bookstore
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
Jul 28, 2026, 06:01 AM
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
44.9
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 6 hours ago
Top reasons
- Crunchyroll Like Index - 737 likes / 748 reactions on recent episodes
- Key staff availability - Director Jun Nakai has no other concurrent active productions
- Production pipeline confidence - In active production
Source runway is unclear, so feasibility is treated as unknown.
CourScore history
CourScore over time
Biblia Koshodou no Jiken Techou renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Biblia Koshodou no Jiken Techou getting a new season?
- According to Courcast's latest analysis, Biblia Koshodou no Jiken Techou has a 45% renewal probability. This score is updated daily and blends fandom momentum, streaming signals, source-material runway, and franchise history. Check back regularly for the latest forecast.
- Will Biblia Koshodou no Jiken Techou be renewed?
- Biblia Koshodou no Jiken Techou currently scores 45 out of 100 on Courcast. Signals driving this estimate include online discussion volume, sequel history within the franchise, and platform engagement data - all recalculated daily. Titles scoring above 70 are considered Very Likely to receive a continuation.
- What is Biblia Koshodou no Jiken Techou's renewal probability?
- Biblia Koshodou no Jiken Techou's CourScore is 45 as of the latest update. CourScore is Courcast's proprietary metric that aggregates over a dozen renewal signals - from source-material runway to social buzz - into a single daily-updated probability out of 100.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| crunchyroll | episode count | GLOBAL | 16 | Jul 27, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.49 | Jul 22, 2026, 12:00 AM |
| filmarks | mark count | JP | 1 | Jul 27, 2026, 12:00 AM |
| filmarks | score mean | JP | 86 | Jul 27, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 3 | Jul 22, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Jul 27, 2026, 12:00 AM |
| niconico | episode views | JP | 75,232 | Jul 27, 2026, 12:00 AM |
| niconico | episode mylists | JP | 632 | Jul 27, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 11 | Jul 27, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 18 | Jul 27, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Jul 27, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 737 | Jul 27, 2026, 12:00 AM |
| niconico | episode comments | JP | 1,651 | Jul 27, 2026, 12:00 AM |
| x official jp | silent days | JP | 90 | Jul 24, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Jul 22, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 36 | Jul 18, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 12 | Jul 22, 2026, 12:00 AM |
| mangacodex | manga latest volume sales | JP | 20,100 | Jul 25, 2026, 12:00 AM |
| mangacodex | manga volume trend pct | JP | -60.43 | Jul 25, 2026, 12:00 AM |
| mal | completed | GLOBAL | 0 | Jul 27, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Jul 19, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 6 | Jul 12, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 3.29 | Jul 27, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 8 | Jul 27, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jul 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 391 | Jul 27, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 2,959 | Jul 27, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Jul 27, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 2,701 | Jul 27, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0 | Jul 27, 2026, 12:00 AM |
| mal | members | GLOBAL | 2,960 | Jul 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1 | Jul 27, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 1,656 | Jul 27, 2026, 12:00 AM |