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. Aoi Yoru Shiroi Yoru Complete Edition -  Aoi Yoru Shiroi Yoru Complete Edition is an X Japan box set released on July 25 2007 as a limited edition. It collects the Aoi Yoru and Shiroi Yoru concert DVDs released separately on the same day along with a DVD of an interview with Yoshiki and a CD version of the Longing ~Togireta Melody~ demo tape (often mistaken as Fumikireta Melody) which was originally distributed at the concerts on December 30 and 31 1994.
The answer to this question is:
Album