Aliases
Lu e la città delle sirene, Lou et l'île aux sirènes, Yoake Tsugeru Lu no Uta, Lu Over the Wall, 夜明け告げるルーのうた, Song of Lu who Informs the Dawn
S1 (Movie)SPRING 2017MOVIE
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Kai Ashimoto, a gloomy young middle schooler, lives in Hinashi Town, a lonely fishing village, with his father and his grandfather, a parasol maker. He used to live in Tokyo, but after his parents divorced he moved back to his father's home town. Kai has trouble telling his parents the complicated feelings he has for them, and he's lonely and pessimistic about his school life. One of his joys is uploading songs he writes to the internet.
One day, his classmates Kunio and Yuuho invite him to join their band, "SEIREN". As he reluctantly follows them to Merfolk Island, their practice spot, they meet Lu, the mermaid. Lu sings merrily and dances innocently. As Kai begins to spend time with her, he starts to be able to say what it is that he's really thinking.
(Source: Wikipedia)
(Source: Wikipedia)
Last updated
Jul 27, 2026, 01:29 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
56.2
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 2 days ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 72.6
- Crunchyroll Like Index - 27,202 likes / 27,392 reactions on recent episodes
- Cross-platform popularity index - Aggregate reach of ~13,172 followers
Runway
Anime original
This is an anime original, not an adaptation, so there is no source material to run down - renewal turns on sales and popularity rather than runway.
Financial & Commercial73
Production Feasibility39
Audience Reception66
Strategic Priors49
Fandom Engagement25
CourScore history
CourScore over time
Last analysedJul 27, 2026, 01:29 AM
Next scheduledyesterday
Renewal FAQ
Lu Over the Wall renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Lu Over the Wall getting a new season?
- According to Courcast's latest analysis, Lu Over the Wall has a 56% 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 Lu Over the Wall be renewed?
- Lu Over the Wall currently scores 56 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 Lu Over the Wall's renewal probability?
- Lu Over the Wall's CourScore is 56 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 |
|---|---|---|---|---|
| crunchyroll | series available | GLOBAL | 1 | Jul 20, 2026, 12:00 AM |
| niconico | episode views | JP | 24,343 | Jul 20, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 3,266 | Jul 22, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 190 | Jul 20, 2026, 12:00 AM |
| niconico | episode mylists | JP | 201 | Jul 20, 2026, 12:00 AM |
| niconico | episode comments | JP | 231 | Jul 20, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 27,202 | Jul 20, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 36,144,520 | Jun 27, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Jul 20, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 72 | Jul 22, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 26 | Jul 22, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 6 | Jul 5, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 6 | Jun 14, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 342 | Jul 22, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1,749 | Jul 22, 2026, 12:00 AM |
| mal | members | GLOBAL | 59,344 | Jul 22, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 0 | Dec 16, 2025, 12:00 AM |
| tmdb | vote count | GLOBAL | 0 | Dec 16, 2025, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| x official jp | silent days | JP | 2,327 | Jul 20, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jul 22, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Jul 19, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 71 | Jul 20, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 42,100 | Jun 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 27,200 | Jul 22, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 73.49 | Jul 22, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 10,109 | Jul 22, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 22,013 | Jul 22, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.33 | Jul 22, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 5,170 | Jul 22, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 29,302 | Jul 22, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 74 | Jul 22, 2026, 12:00 AM |
| ann | rating | GLOBAL | 7.38 | Jul 18, 2026, 12:00 AM |