Hiro Ryūgasaki is an ordinary middle school student at Tensei Academy. Through a strange occurrence, Hiiro obtains a mysterious smartphone with the popular digital card game Shadowverse app installed. Through the game, Hiro meets rivals, meets new friends, participates in tournaments, and forms bonds with others. Later, Hiro and his friends discover that the true purpose of Shadowverse is to save the world from an impending doomsday event.
