A thousand years ago, the angels arrived on planet Anima. They were immediately hostile towards the races who currently lived there, but mostly kept to themselves. That is, until 20 years ago, when they massacred the village of Viento, starting a war with the humans. Their goal is the exterminati...

in the city all kind of defectives people live in, A Teenager named Matsuda Takahiro go and make Contract to stay in the country forever. every citizens do the same contracts, and then here. Matsuda Takahiro's life starts