Content. Mysterious Girl X is a 13 episode series based off the manga of the same name by Riichi Ueshiba. It focuses on teenage Akira Tsubaki who finds himself inexplicably drawn to a new student.

Mysterious Girlfriend and Boyfriend. July 1st, 2012 26 min. After enjoying a nice chat with Tsubaki’s sister, Yoko, Urabe learns more about her mysterious boyfriend family. All Seasons.

Visit the TV show page for 'Mysterious Girlfriend X' on Moviefone. Discover the show's synopsis, cast details, and season information. Watch trailers, exclusive interviews, and episode reviews.