Akari Fukase, a middle school boy who has devoted his soul to trading card games, lives a quiet, shadowy school life. His one true oasis is the local card shop. One day, however, an unexpected visitor appears there— Ryu Amamiya, a breathtakingly beautiful girl who sits at the very top of the school’s social caste!? “Care to duel?” Thus begins an unlikely encounter sparked by cards, competition, and a clash between two completely different worlds.