The other defenders are going out on an adventure outside of Kagutsuchi. It's a big adventure for the defenders. The situation took a turn for the worse when the army of anti defenders came to attack the defenders. The defenders are going to attack the anti defenders. However, they are too many of them and they can't attack any longer. From this point, the anti defenders have won. That is, until someone intervened. There's a calvary on the outside world. His name is Carl Clover, a famous Nox Nyctores user with music abilities. Carl earns his chance as a defender of Kagutsuchi. Carl has a robot with him, they called it Nirvana, but for Carl, he called it Ada. The defenders and Carl are in the temple for the quest to find the first Ars Magus core.