Ayu-mi-x 7 (stylized as ayu-mi-x 7) is a series of remix albums by Japanese musician Ayumi Hamasaki, served as the seventh installments to the parent release Ayu-mi-x. The albums were originally scheduled to be released on March 30, but it was postponed due to the 2011 Tohoku earthquake and tsunami and were released on April 20. A limited box set contains all versions along with a bonus disc were also released on the same day.