Mysterious Girlfriend X is an anime adaptation of the manga of the same name written and illustrated by Riichi Ueshiba. The anime is produced by Hoods Entertainment and originally aired in Japan from April 7, 2012 to June 30, 2012.


Crunchyroll began a simulcast on April 8, 2012. Sentai Filmworks licensed the anime for home video release in North America and began streaming on The Anime Network and Hulu 31 days following its airdate.

Episode List

No. Title Original Air Date
01 Mysterious Girlfriend
Nazo no Kanojo (謎の彼女) 
April 7, 2012
02 Mysterious Bond
03 Mysterious Test Tube
04 Mysterious Girl Meets Girl
05 Mysterious First Date
06 Mysterious Step Up
07 Mysterious Flu
08 Mysterious Sensation
09 Mysterious "This is just, I dunno..."
10 Mysterious Adventure
11 Mysterious Culture Festival
12 Mysterious Squeeze
13 Mysterious Girlfriend and Boyfriend
OVA Mysterious Summer Festival

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