OVA released with the 9th volume of the manga.
Source: MyAnimeList
Curated recommendations for fans of Mysterious Girlfriend X: Nazo no Natsu Matsuri.
Other anime produced by Hoods Entertainment.
Other anime that aired alongside Mysterious Girlfriend X: Nazo no Natsu Matsuri.
Top-rated ecchi anime ranked by score.
Top-rated mystery anime ranked by score.
Chronological viewing order for franchises with movies and OVAs.
Streaming platforms and availability for popular anime.
Where to start reading once an adaptation ends.
Search for this anime on popular platforms
Availability may vary by region.
Curated recommendations for fans of Mysterious Girlfriend X: Nazo no Natsu Matsuri.
Other anime produced by Hoods Entertainment.
Other anime that aired alongside Mysterious Girlfriend X: Nazo no Natsu Matsuri.
Top-rated ecchi anime ranked by score.
Top-rated mystery anime ranked by score.
Chronological viewing order for franchises with movies and OVAs.
Streaming platforms and availability for popular anime.
Where to start reading once an adaptation ends.
