On May 11, 2017, Pledis Entertainment released a video teaser on Seventeen's Instagram page in preparation forAl1.[1] The video features member Vernon wandering around a deserted road with a compass in his hand. Over the next five days, twelve similar trailers, one for each member, were released on Seventeen's social media accounts.[2] While revealing teasers, Seventeen announced the tour that would accompany the album titled 'Diamond Edge', due to start in July.[3]On May 17, they revealed the tracklist for the album.[4]
After a month of its release,Al1 sold over 250,000 copies and topped both the weeklyGaon Album Chart for the chart issued on May 27, 2017, and the monthly chart recorded for May.[6][7] The album also debuted and peaked at number two on theWorld Albums chart for the week ending on May 25, having sold 2,000 units in the United States.[8] The album peaked at number three on Japan'sOricon Albums Chart, the group's highest entry until then.[9]
