The 96-line of the group SEVENTEEN debuts as a sub-unit: HOSHI X WOOZI, who unveil their 1st Single Album titled 'BEAM' - available in 2 versions: + (plus) and x (doubled). Each album includes: a CD (2 versions), a CD envelope, a book elastic, a photobook (80 pages), a sticker, 1 photocard (random out of 4), 1 unit photocard, a poster, a lyrics booklet (8 pages), a tear poster and 1 exclusive US/EU additional photocard (random out of 2).