SEVENTEEN brings the first mini-album in Japan. Includes five tracks total, which are sung in Japan, including "Love Letter -Japanese ver.-." This edition includes a Blu-ray featuring their first concert in Japan held in August 2016 at Nakano Sun Plaza, and it also includes making-of (main contents: 116 min., plus making-of, subject to change). Also comes with a 20-page photo book (B) and a photo card (B) randomly selected from 13 kinds. Tall digipak packaging.