Akira Tsubaki
main character
OVA
7.0
My TrackerPLANNING
Episode: 0 / 1
My Score:
Anime DetailsFINISHED
- Format
- OVA
- Episodes
- 1
- Episode length
- 26 min
- Total watch time
- 26 minutes
- Status
- Finished
- Aired
- August 23, 2012
- Season
- Summer 2012
- Source
- Original story
- Studio
- Hoods Entertainment
- Director
- Ayumu Watanabe
- Original creator
- Riichi Ueshiba
- Music
- Tomoki Hasegawa
- Age rating
- PG — Teens 13 or older
- Country
- Japan
- AniList score
- 70/100
Estimated watch time
0h 26m
⚡ 1 days at 5 eps/day
Tags & Tropes
School50%Seinen50%Heterosexual20%Male Protagonist20%Female Protagonist20%
OVAFINISHED2012 SUMMER7.0 / 10 AniList score
Mysterious Girlfriend X: Nazo no Natsu Matsuri
謎の彼女X 謎の夏祭り• Nazo no Kanojo X: Nazo no Natsu Matsuri
Synopsis
OVA released with the 9th volume of the manga.
Should you watch Mysterious Girlfriend X: Nazo no Natsu Matsuri?
Mysterious Girlfriend X: Nazo no Natsu Matsuri has been well received, with an average AniList score of 70/100 — 40% of 6,102 ratings are 8/10 or higher.
It ranks #18 highest-rated anime of 2012, and #23 most popular anime of 2012 on AniList.
Of the 10.2K AniList users who started it, 0.7% dropped it, so it is very rarely abandoned; 9.8K have finished it.
At about 26 minutes in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Ecchi, Mystery, Romance.
Where to Watch Officially
A streaming link is not listed for this title yet.
Main cast & voice actors
Creators & key staff
- Original creator
- Riichi Ueshiba
- Director
- Ayumu Watanabe
- Series composition
- Hitomi Mieno
- Character design
- Kenichi Konishi
- Music
- Tomoki Hasegawa
Where it fits in the series
Related entries
If you like Mysterious Girlfriend X: Nazo no Natsu Matsuri
Mysterious Girlfriend X: Nazo no Natsu Matsuri FAQ
How many episodes does Mysterious Girlfriend X: Nazo no Natsu Matsuri have?
Mysterious Girlfriend X: Nazo no Natsu Matsuri has 1 episodes of about 26 minutes each, roughly 26 minutes in total.
Is Mysterious Girlfriend X: Nazo no Natsu Matsuri finished?
Yes. Mysterious Girlfriend X: Nazo no Natsu Matsuri has finished airing — the final episode aired August 23, 2012.
Is there a season 2 of Mysterious Girlfriend X: Nazo no Natsu Matsuri?
No sequel is listed for Mysterious Girlfriend X: Nazo no Natsu Matsuri as of October 2026.
Is Mysterious Girlfriend X: Nazo no Natsu Matsuri based on a manga?
No. Mysterious Girlfriend X: Nazo no Natsu Matsuri is an original anime story, not adapted from a manga or novel.
Who animated Mysterious Girlfriend X: Nazo no Natsu Matsuri?
Mysterious Girlfriend X: Nazo no Natsu Matsuri was animated by Hoods Entertainment and directed by Ayumu Watanabe.