In the year 2021 the world was being infested with creatures that lurked in the cites and ruins of the old. These beasts we're know to the people as Gastrea, each one completely different from the last. From as little as three meters in length to hundreds of feet tall, they were a enemy that the humans simply couldn't beat. Or at least that Was until the arrival of the curst children and the Civil officers program. Working together they made there final stand taking back what land the Gastrea had taken from them. But something knew has started to emerge, will Satomi and his partner Enju, one of the cursed children, face the new threat of the world?