Mysterious Girlfriend X
Japanese manga series
Mysterious Girlfriend X (Japanese: 謎の彼女X, Hepburn: Nazo no Kanojo Ekkusu) is a Japanese manga series written and illustrated by Riichi Ueshiba. Originally published as a one-shot story in August 2004, it was serialized in Kodansha's seinen manga magazine Monthly Afternoon from March 2006 to September 2014. Its chapters were collected in 12 tankōbon volumes. The manga is licensed in North America by Vertical. The series follows a boy named Akira Tsubaki who knows next to nothing about girls, along with a new transfer student named Mikoto Urabe, a mysterious girl who wears a cold facade. Their first encounter takes a turn for the romantic.
An anime adaptation by Hoods Entertainment aired in Japan from April to July 2012, with an original video animation episode released in August 2012. The series is licensed by Sentai Filmworks in North America through Section23 Films for home video and streaming via HIDIVE.
Plot
The series follows the relationship of Akira Tsubaki and Mikoto Urabe. Urabe is a transfer student who recently came to Tsubaki's school. After a series of strange events, Tsubaki finds himself addicted to Urabe's drool.
“Mysterious Girlfriend X” enters the record as japanese manga series. Crown Archives preserves that source wording while asking what Mysterious, Girlfriend and Japanese can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 9, 2026. The linked authority identifier is Q1972717. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2004, 2006, 2014 and 2012.
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This entry incorporates text from “Mysterious Girlfriend X” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.