- Other Title: Nazo no Kanojo X: Nazo no Natsu Matsuri, 謎の彼女X 謎の夏祭り, Mysterious Girlfriend X: A Mysterious Summer Festival, nazokano ova, mgx ova
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: OVA
- Genres: Ecchi, Mystery, Romance, School, Seinen, Comedy
- Characters: Tsubaki, Akira, Urabe, Mikoto
- Score: 7.28
- Rank: 2674
- Popularity: 3156
![[Action] Zone of the Enders: Dolores, I (TV) (Sub) Raw Eng](https://data.animebuu.com/data/84/8472/mal/1_poster.jpg "[Action] Zone of the Enders: Dolores, I (TV) (Sub) Raw Eng")
