Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Mysterious Girlfriend X - Mysterious Girlfriend X (X Nazo no Kanojo Ekkusu) is an ongoing Japanese manga written and illustrated by Riichi Ueshiba. It was originally published as a one-shot story in 2004 before becoming a serialized comic in Kodansha's Afternoon magazine in 2006. An anime adaptation by Hoods Entertainment aired in Japan from April 7 2012 to June 30 2012 with an original video animation episode released on August 23 2012.
The answer is:
Written Work