Nazo no Kanojo X: Nazo no Natsu Matsuri, Mysterious Girlfriend X: Nazo no Natsu Matsuri, 謎の彼女X 謎の夏祭り, Default, Japanese, English, Mysterious Girlfriend X: A Mysterious Summer Festival
Mysterious Girlfriend X: Nazo no Natsu Matsuri
Nazo no Kanojo X: Nazo no Natsu Matsuri
OVA released with the 9th volume of the manga.
Last updated
Jun 3, 2026, 11:40 PM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
43.3
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 4 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 71.4
- Cross-platform popularity index - Aggregate reach of ~3,683 followers
- IP reach across services - Multi-platform footprint of ~4,641 users
Source runway is unclear, so feasibility is treated as unknown.
CourScore history
CourScore over time
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| shikimori | score mean | GLOBAL | 72.7 | Jun 3, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 12 | May 26, 2026, 12:00 AM |
| mal | completed | GLOBAL | 38,234 | Jun 3, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 9,135 | Jun 3, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1,073 | Jun 3, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 20 | May 24, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 21,198 | May 24, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 24, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 22 | Jun 3, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | May 24, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 21,198 | May 24, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 10,207 | May 24, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 70 | Jun 1, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 4,256 | Jun 3, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 71.62 | Jun 3, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 1 | Jun 1, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 148 | Jun 1, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.06 | May 23, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 4,348 | Jun 3, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 12,641 | Jun 1, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 3 | Jun 1, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 4.75 | Jun 1, 2026, 12:00 AM |