The "sci-fi x fantasy" franchise is set in the near future, a time when the world underwent rapid technological advancement due to "Arcana Particles," a new energy source discovered by Eden Industries. This innovation includes Eden, the largest virtual space server. "ARCANADEA" is a VRMMO playable within the Eden server, featuring a fantasy setting. Following an explosion at Eden Industries during a maintenance operation on Eden one night, the world was altered, resulting in abnormal weather, communication disruptions, strange disappearances, and people acquiring enhanced physical abilities.