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In the books, the titular Grandma seeks to explore the true meaning of the Japanese phrase "mottainai" after her son asked her what it meant and she couldn't answer. "Mottainai" is a commonly used exclamation that roughly translates to "what a waste!", expressing regret over wastefulness. The Grandma seeks to explore the meaning and importance of "mottainai" in the story.
(Source: Anime News Network)
(Source: Anime News Network)
Last updated
Oct 28, 2026, 06:22 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
10.4
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: Medium • Updated 11 hours ago
Top reasons
- Committee renewal track record - Lead committee members (Kodansha, LIDENFILMS) have a smoothed catalogue continuation rate of 30%, above the catalogue average of 14%
- Titles like this rarely return - 6 years with no new entry: of short series (first entries) in that position, 1% got a new season or film within 10 years
- Cross-platform audience rating - Weighted audience rating 0.0
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial16
Production Feasibility26
Audience Reception15
Strategic Priors40
Fandom Engagement17
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:22 AM
Next scheduledin 13 hours
Renewal FAQ
Mottainai Baasan renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Mottainai Baasan getting a new season?
- According to Courcast's latest analysis, Mottainai Baasan has a 10/100 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 Mottainai Baasan be renewed?
- Mottainai Baasan currently scores 10 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 Mottainai Baasan's renewal probability?
- Mottainai Baasan's CourScore is 10 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 | favorites | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 122 | Oct 15, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 142 | Sep 24, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 2 | Sep 24, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 127 | Sep 24, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 24, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Aug 26, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Oct 4, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Oct 4, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 36 | Oct 15, 2026, 12:00 AM |
| mal | completed | GLOBAL | 142 | Oct 15, 2026, 12:00 AM |
| mal | members | GLOBAL | 352 | Oct 15, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 100 | Oct 15, 2026, 12:00 AM |
| mal | source members | GLOBAL | 144 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 6 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 35 | Oct 15, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.22 | Oct 26, 2026, 12:00 AM |
| niconico | episode comments | JP | 2,492 | Oct 15, 2026, 12:00 AM |
| niconico | episode mylists | JP | 17 | Oct 15, 2026, 12:00 AM |
| niconico | episode views | JP | 13,879 | Oct 15, 2026, 12:00 AM |
| niconico | premiere comment velocity | JP | 6.67 | Aug 20, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.19 | Oct 15, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 145 | Oct 15, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 1.73 | Oct 15, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 1 | Oct 15, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 1 | Oct 27, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 260,870 | Jun 17, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 1,290 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |