Aliases
Yozakura Quartet: Sea of Stars, Yozakura Quartet: Hoshi no Umi, 夜桜四重奏 ～ホシノウミ～, 夜桜四重奏 〜ホシノウミ〜
FALL 2010OVA
Branch
Part of this franchise
concluded
Announced
In production
Releasing
Completed
An OVA based on the Hoshi no Umi arc of the manga spanning chapters 26-34.
This arc focuses on Rin Azuma, a Jiang-Shi yokai resident of Sakurashin adjusting to her new life in the city and working for a ramen shop. One day her former friend Zakuro Kurumaki invades Sakurashin to capture Rin and convince her to join her in destroying the city with the other yokai hunters as well as Enjin Hiizumi, the main antagonist of the series. Akina Hiizumi and the other members of the Hiizumi Life Counseling Office take action to save Rin, 'tune' the yokai controlling Zakuro and protect the city.
(Source: Anime News Network)
This arc focuses on Rin Azuma, a Jiang-Shi yokai resident of Sakurashin adjusting to her new life in the city and working for a ramen shop. One day her former friend Zakuro Kurumaki invades Sakurashin to capture Rin and convince her to join her in destroying the city with the other yokai hunters as well as Enjin Hiizumi, the main antagonist of the series. Akina Hiizumi and the other members of the Hiizumi Life Counseling Office take action to save Rin, 'tune' the yokai controlling Zakuro and protect the city.
(Source: Anime News Network)
Last updated
Oct 28, 2026, 06:21 AM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
22.2
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 12 hours ago
Top reasons
- Source runway - Estimated material for 5.85 further cours
- Format continuity - Format (OVA) matches prior mainline entries
- Cohort rating percentile - 72th percentile within season cohort
Runway
Ok
Source runway looks healthy for a continuation.
Financial & Commercial46
Production Feasibility69
Audience Reception54
Strategic Priors42
Fandom Engagement43
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:21 AM
Next scheduledin 12 hours
Renewal FAQ
Yozakura Quartet: Hoshi no Umi renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Yozakura Quartet: Hoshi no Umi getting a new season?
- According to Courcast's latest analysis, Yozakura Quartet: Hoshi no Umi has a 22/100 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 Yozakura Quartet: Hoshi no Umi be renewed?
- Yozakura Quartet: Hoshi no Umi currently scores 22 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 Yozakura Quartet: Hoshi no Umi's renewal probability?
- Yozakura Quartet: Hoshi no Umi's CourScore is 22 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.
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 72 | Oct 19, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 51 | Oct 19, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 11,352 | Oct 19, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 19, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 35 | Sep 21, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 63 | Sep 21, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 14,251 | Sep 21, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 21, 2026, 12:00 AM |
| filmarks | mark count | JP | 32 | Oct 19, 2026, 12:00 AM |
| filmarks | score mean | JP | 70 | Oct 19, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Aug 30, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Oct 19, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 23 | Oct 19, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 13,990 | Oct 19, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 8,221 | Oct 19, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 66.44 | Oct 19, 2026, 12:00 AM |
| mal | completed | GLOBAL | 22,436 | Oct 19, 2026, 12:00 AM |
| mal | members | GLOBAL | 41,165 | Oct 19, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 15,366 | Oct 19, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1,845 | Oct 19, 2026, 12:00 AM |
| mangacodex | bd sales avg | JP | 1,400 | Sep 20, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 1 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 1 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 3,243 | Oct 19, 2026, 12:00 AM |
| niconico | episode mylists | JP | 565 | Oct 19, 2026, 12:00 AM |
| niconico | episode views | JP | 284,913 | Oct 19, 2026, 12:00 AM |
| comments 7d | GLOBAL | 310 | Oct 5, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 1 | Oct 5, 2026, 12:00 AM | |
| score 7d | GLOBAL | 601 | Oct 5, 2026, 12:00 AM | |
| thread count | GLOBAL | 1 | Oct 5, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 1 | Oct 5, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.47 | Oct 19, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 4,317 | Oct 19, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 73.7 | Oct 19, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 71 | Aug 10, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 3.66 | Oct 19, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 3 | Oct 19, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 1 | Oct 27, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 36,144,520 | Jun 27, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 42,100 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |