Perfume brings a single. The title song is the main theme song for the first documentary movie for them, "WE ARE Perfume - WORLD TOUR 3rd DOCUMENT." This edition additionally includes "Imitation World" and comes with a bonus DVD featuring a music video for the title song and its making-of in "Perfume View," in which the members shot videos each other. Also includes live photo(s) featuring the concert "LIVE 3:5:6:9," which is planed to be held at Nippon Budokan in September 2015. Slipcase packaging.