The OVA was bundled with the ninth volume of the manga. It follows Tsubaki as she heads to the summer festival with Ueno, Oka, and Urabe.

Mysterious Girlfriend X - S01
HD
Overview:
The OVA was bundled with the ninth volume of the manga. It follows Tsubaki as she heads to the summer festival with Ueno, Oka, and Urabe.
Aired:Apr 08, 2012
Duration:26m
Episodes:13
Networks:TOKYO MX
Country: Japan
Seasons (1)
Episodes (13)
1. Mysterious Girlfriend2. A Mysterious Bond3. The Mysterious Test Tube4. Mysterious Girl Meets Girl5. A Mysterious First Date6. Mysterious Step Up7. Mysterious Flu8. Mysterious Sensation9. Mysterious "Somewhat, A Little"10. Mysterious Adventure11. Mysterious Cultural Festival12. Mysterious "Squeeze"13. Mysterious Girlfriend and Boyfriend
Characters & Voice Actors

CharacterTsubaki Akira
Voice ActorMiyu Irino

CharacterUeno Kouhei
Voice ActorYuki Kaji

CharacterUrabe Mikoto
Voice ActorAyako Yoshitani

CharacterHayakawa Aika
Voice ActorYu Shimamura

CharacterOka Ayuko
Voice ActorRyo Hirohashi

CharacterTsubaki Youko
Voice ActorMisato Fukuen














