Perfume brings the sixth album. Includes leading songs from the singles released after "Sweet Refrain," some of which are album-mix versions. Also includes new tracks recorded for this album. This edition additionally includes a bonus CD and a Blu-ray. The bonus CD features "FLASH" (main theme for movie "Chihayafuru") and audio track from "Perfume no Tada Tada Radio ga Sukidakara Radio!" The Blu-ray contains a music video for "FALSH," a singing scene of "Pick Me Up" at the 66th "NHK Kohaku Uta Gassen," documentary on backstage, and more. Comes with a flyer.