Tags: Manga.
X (Japanese: エックス Hepburn: Ekkusu) also known as X/1999 is a Japanese shōjo manga series created by Clamp a creative team made up by Satsuki Igarashi Nanase Ohkawa Tsubaki Nekoi and Mokona. It premiered in Monthly Asuka’s May 1992 issue and ran there until the magazine’s editors showed concern with the increasingly violent stories and the series went on long-term hiatus in March 2003. The story takes place at the end of days in the year 1999.