In celebration of the 5.5th anniversary of the BanG Dream series, a special limited edition card cover for Shanghai public transportation cards is now available for free download on the Shanghai Public Transportation App. The card is valid for 30 days and is a great opportunity for fans of the series to get exclusive content. You can simply download the app and follow the instructions to get your free card. This promotion is only available for a limited time, so don't miss out on this amazing chance to enhance your card and show off your love for BanG Dream.