Perfume brings the first greatest hits album to commemorate the 15th anniversary of their career in major label! Contains 52 songs including "Nananananairo" and one more new song, "Challenger". All the tracks excluding new songs are newly remastered by Yasutaka Nakata. This edition comes with a deluxe photo book and a bonus Blu-ray featuring excerpts from "Perfume WORLD TOUR 4th "FUTURE POP"" and new installment from "Perfume no Tadatada Radio ga Sukidakara Radio!" series. Special packaging.