STU48 brings the debut single from a major label. This edition includes eight tracks total, consisting of four songs and four instrumental tracks (subject to change). The songs includes "STU48 (Hiroshima ver.)" as well as B-side track(s) same with the one(s) in Type A & B editions. The DVD includes two music videos each for the title song and "Setouchi no Koe." The DVD also includes live documentary, which contents vary depending on edition. Comes with a photo randomly selected from 31 kinds (subject to change) and a ticket for a hand-shaking event (valid only in Japan).