Также известна как: 蒼之彼方的四重奏 · 苍之彼方的四重奏 · 蒼の彼方のフォーリズム
In a world where flying through the sky is as simple as riding a bicycle, the sport "Flying Circus" is all the rage. Following the discovery of anti-gravitons, special shoes that allow an individual to fly, Anti-Graviton Shoes, took the world by storm.