Every action has an echo, that can be heard through time, through space, and through dimensions themselves. In the year 21XX, a boy named Yuna finds himself facing the echoes of actions long past. Armed only with his cards and his friends, the boy Duels with everything he has, with two goals in mind: rediscover who he is, and unlock the secret of the Echoes themselves. (Rated T)

Three siblings, separated, displaced, and left to find their own way in an unfamiliar world. To make matters more difficult, the world seems to have some... familiar inhabitants, and their favorite card game has become a tool of great and terrible power. Can they make their mark against their mighty opposition, or will they be beaten before they can find a way back home? (Rated T)