騎士A - 日本武道館ライブ ドリンクオーダー is a mobile application designed for iPhone users attending Knight A concerts. This free lifestyle app allows users to conveniently order drinks in advance through their devices. Once the order is placed, attendees can simply pick up their drinks at the venue, streamlining the concert experience by minimizing wait times.

The application enhances the overall enjoyment of the event by providing an easy-to-use interface for drink selection and ordering. It is tailored specifically for concert-goers, ensuring that they can focus on the performance without the hassle of long lines for refreshments. The app supports a seamless interaction between fans and the venue, making it a valuable tool for those attending events at the Nippon Budokan.