Aliases
Mottainai, もったいない, Default, Mottainai (Special), Japanese
S153SUMMER 2015SPECIAL
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Mottainai
もったいない
Joint campaign by NHK and Advertising Council Japan.
Last updated
Jun 3, 2026, 11:24 PM
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
27.4
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 92% • Signal freshness: High • Updated 2 hours ago
Top reasons
- Favourite base strength - 1 cross-platform favourites
- Time since finale - ~130 months since estimated air window ended
- IP reach across services - Multi-platform footprint of ~405 users
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial27
Production Feasibility24
Audience Reception42
Strategic Priors31
Fandom Engagement0
CourScore history
CourScore over time
Last analysedJun 3, 2026, 11:24 PM
Next scheduledin 22 hours
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| kitsu | rating rank | GLOBAL | 9,365 | May 23, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 1,165 | Jun 1, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 594 | May 23, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 64.45 | May 23, 2026, 12:00 AM |
| mal | completed | GLOBAL | 3,399 | Jan 1, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 809 | Jan 1, 2026, 12:00 AM |
| mal | watching | GLOBAL | 75 | Jan 1, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 12 | Apr 9, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 28,077 | May 4, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 63 | May 4, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | May 4, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 4, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 14,292 | May 4, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 14,292 | May 4, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 1 | Jun 1, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jun 1, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 58 | Jun 1, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | May 30, 2026, 12:00 AM |