Cloudia, an empty world dotted with floating islands. One day... An unidentified mysterious building appeared in the Kaiserschult Empire, a country of Cloudia. The Kaisersult Empire sends an investigation team, but the contact from the team is interrupted. Meanwhile, the phenomenon that a person who died once is revived occurs in various places. In the disturbing phenomenon that is happening in the world, Cloudia's countries formed an alliance and embarked on an investigation. Kaiserschurt's army sends Reinas and Ronald to rescue the missing squad and investigate the structure, but a mysterious life form stands in front of them. What on earth is going on with Cloudia? For what to protect, the battle for everything was about to begin━━

Cloudia, an empty world dotted with floating islands. One day... An unidentified mysterious building appeared in the Kaiserschult Empire, a country of Cloudia. The Kaisersult Empire sends an investigation team, but the contact from the team is interrupted. Meanwhile, the phenomenon that a person who died once is revived occurs in various places. In the disturbing phenomenon that is happening in the world, Cloudia's countries formed an alliance and embarked on an investigation. Kaiserschurt's army sends Reinas and Ronald to rescue the missing squad and investigate the structure, but a mysterious life form stands in front of them. What on earth is going on with Cloudia? For what to protect, the battle for everything was about to begin━━