Aliases
Spiral: Suiri no Kizuna, Spiral: Bond of Reasoning, スパイラル -推理の絆-, Spiral: The Bonds of Reasoning, スパイラル ～推理の絆～
S1FALL 2002TV
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Ayumu Narumi's older brother Kiyotaka, a renowned detective and piano player, disappears all of a sudden. The only clue Narumi has, are the Blade Children. Two years later a row of murders and incidents begin, relating to the Blade Children. Together with school journalist, Hiyono Yuizaki, Narumi tries to figure out their destiny.
(Source: Anime News Network)
(Source: Anime News Network)
Last updated
Jul 28, 2026, 01:17 AM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
58.4
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: Medium • Updated 14 hours ago
Top reasons
- Source runway - Source material runway assessed as 'ok'
- Cross-platform audience rating - Weighted audience rating 69.4
- Cross-platform popularity index - Aggregate reach of ~10,371 followers
Runway
Ok
Source runway looks healthy for a continuation.
Financial & Commercial61
Production Feasibility55
Audience Reception69
Strategic Priors60
Fandom Engagement29
CourScore history
CourScore over time
Last analysedJul 28, 2026, 01:17 AM
Next scheduled8 hours ago
Renewal FAQ
Spiral: Bond of Reasoning renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Spiral: Bond of Reasoning getting a new season?
- According to Courcast's latest analysis, Spiral: Bond of Reasoning has a 58% 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 Spiral: Bond of Reasoning be renewed?
- Spiral: Bond of Reasoning currently scores 58 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 Spiral: Bond of Reasoning's renewal probability?
- Spiral: Bond of Reasoning's CourScore is 58 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.
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| tmdb | vote count | GLOBAL | 9 | Jul 21, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Jul 22, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 8,014 | Jul 21, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.36 | Jul 21, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 15 | Jul 22, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 5 | Jun 29, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 4,940 | Jun 29, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 4 | Jun 29, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 5,341 | Jun 29, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 5,820,251 | Jun 29, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 19,602 | Jun 29, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 77 | Jul 22, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.9 | Jul 22, 2026, 12:00 AM |
| mal | completed | GLOBAL | 29,757 | Jul 21, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 67 | Jul 21, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 23 | Jul 21, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 4,712 | Jul 21, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 17,649 | Jul 21, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 72.1 | Jul 21, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 1 | Jul 21, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 12 | Jul 12, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 1.68 | Jul 21, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 85 | Jul 21, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 6,001 | Jul 21, 2026, 12:00 AM |
| mal | members | GLOBAL | 55,495 | Jul 21, 2026, 12:00 AM |
| mal | watching | GLOBAL | 2,508 | Jul 21, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 69.38 | Jul 21, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 4,183 | Jul 21, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 28 | Jul 25, 2026, 12:00 AM |