Includes the final performance (April 20) of the nationwide arena tour "Perfume 10th Tour ZOZ5 'Nebula Romance' Episode 1," held to commemorate the 25th anniversary of their formation and the 20th anniversary of their major debut. The simultaneously released complete edition packages two milestone performances that symbolize Perfume's career: the final show of the nationwide arena tour "Perfume 10th Tour ZOZ5 'Nebula Romance' Episode 1" (April 20), and "Perfume ZO/Z5 Anniversary 'Nebula Romance' Episode TOKYO DOME" (September 23), held as the culmination of the anniversary year. This release is "Episode 1," allowing you to enjoy the arena tour performance on its own.