BE:FIRST to release third single! This edition comes with a bonus Blu-ray with two music videos and their making-of each for "Smile Again" and "Boom Boom Back." *This is a "Sumapura Music" & "Sumapura Movie" compatible product, which enables you to listen to and view the contents on a mobile device in addition to CD and Blu-ray players. [Recommended System Requirements] iOS7/Android4.0 or later. *This service expires two years after the release date. [Important Notes for "Sumapura Music" & "Sumapura Movie" compatible product] No refund is possible after this product is sent. The record company has designed and optimized "Sumapura Music" & "Sumapura Movie" for the market within Japan and registration at "Sumapura" site, available only in Japanese language, is required. They do not guarantee that it works outside of Japan.