BE:FIRST brings the fourth single. Contains three songs in total (subject to change). The Blu-ray of the MV Edition includes the music video and behind-the-scene (subject to change). *This is a "Sumapura" compatible product, which enables you to listen to and view the contents on a mobile device. *This service expires two years after the release date. [Important Notes for "Sumapura" compatible product] No refund is possible after this product is sent. The record company has designed and optimized "Sumapura" 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.