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
Oct 28, 2026, 06:19 AM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
43.6
CourScore measures renewal signals out of 100. It is not a calibrated probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 10 hours ago
Top reasons
- Production pipeline confidence - In active production
- Committee renewal track record - Lead committee members (Aniplex, CloverWorks) have a smoothed catalogue continuation rate of 24%, above the catalogue average of 14%
- Committee collaboration history - Titles sharing at least two committee members: 11 of 45 have a catalogued successor (24%), compared with 14% across the catalogue
Limited source material remains; the amount needed depends on the continuation's format and adaptation pace.
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 44/100 renewal signal score. 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 44 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. Scores from 70 indicate strong renewal signals; scores from 85 are labelled very likely.
- What is Biblia Koshodou no Jiken Techou's renewal probability?
- Biblia Koshodou no Jiken Techou's CourScore is 44 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 signal score out of 100.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | favorites | GLOBAL | 23 | Oct 27, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 3,691 | Oct 27, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 16 | Sep 25, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 11 | Sep 25, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 742 | Sep 25, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 25, 2026, 12:00 AM |
| filmarks | mark count | JP | 1 | Oct 27, 2026, 12:00 AM |
| filmarks | score mean | JP | 82 | Oct 27, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 26, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Oct 18, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Oct 18, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Oct 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 408 | Oct 27, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 36 | Oct 2, 2026, 12:00 AM |
| mal | completed | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| mal | members | GLOBAL | 4,956 | Oct 27, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 4,955 | Oct 27, 2026, 12:00 AM |
| mal | rating | GLOBAL | 7.72 | Oct 2, 2026, 12:00 AM |
| mal | source members | GLOBAL | 2,500 | Oct 2, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Oct 2, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 7 | Oct 2, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1 | Oct 27, 2026, 12:00 AM |
| mangacodex | manga latest volume sales | JP | 20,100 | Oct 26, 2026, 12:00 AM |
| mangacodex | manga volume trend pct | JP | -60.43 | Oct 26, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 12 | Oct 26, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Oct 26, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 3 | Oct 26, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.49 | Oct 26, 2026, 12:00 AM |
| mfc | entry likes | GLOBAL | 10 | Oct 23, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 7 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 34 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 18 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 59 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 1,651 | Oct 27, 2026, 12:00 AM |
| niconico | episode mylists | JP | 631 | Oct 27, 2026, 12:00 AM |
| niconico | episode views | JP | 75,450 | Oct 27, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 2,280 | Oct 27, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 10 | Oct 21, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 3.9 | Oct 27, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 8 | Oct 27, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 0 | Oct 27, 2026, 12:00 AM |
| x official jp | silent days | JP | 111 | Aug 14, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| youtube | trailer likes | GLOBAL | 10,154 | Oct 27, 2026, 12:00 AM |
| youtube | trailer views | GLOBAL | 824,483 | Oct 27, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |