*This product is released in multiple versions, "DORK Ver." and "ADORABLE Ver.," but you cannot select your desired one as they will be selected at random. Please understand in advance. MJ, the main vocalist of ASTRO, releases his long-awaited solo single. [Package details] 155 x 215 x 10mm [Included bonuses] A photobook (150 x 210mm / 54 pages, varies by version), postcards (100 x 150mm / 4 sheets, varies by version), a photocard (55 x 85mm / 1 randomly selected from 6 kinds, varies by version), and an envelope (150 x 200mm, varies by version).