Since their debut almost a decade ago, TWICE has become one of the most beloved K-pop girl groups. They have explored almost every concept, from bubblegum pop to girl crush, sold millions of albums, racked up billions of streams, and toured stadiums around the world. With this ultimate fan’s guide, you can discover everything you need to know to become a true ONCE, from profiles of each member to an exploration of their discography, and four stunning pull-out posters!