Scanning these codes often links to unreleased behind-the-scenes (BTS) clips or special messages from the cast.
QR codes are also a part of the series' physical items. Official and merchandise often have QR codes on the back. qr code my school president
The QR code is one part of why this series became a global hit. The story follows , the student body president, who has a crush on Gun , the leader of the music club "Chinzhilla". the student body president