In the near future, Eden Industries discovers a new energy source called Arcana Particles, and the world's technology leaps ahead as a result. Among the new advances is Eden, the largest virtual space server. Inside Eden, people can play ARCANADEA, a VRMMO set in a fantasy world. Then, one night while Eden is down for maintenance, an explosion hits Eden Industries, and the world changes. The weather turns abnormal, communication problems arise, people disappear under strange circumstances, and some find their physical abilities heightened. The franchise blends science fiction with fantasy.