A guy is taking care of his seriously ill sister. But one day, she dies. My brother couldn't accept the loss and made a deal with the devil, and the price was his soul. And you can find out what came of it by watching this hentai.

The Golden Convergence is a secret society that kidnaps girls in order to awaken an ancient deity. Government agents are opposing society. They are ready to do anything to protect women with great power. These women may come from parallel worlds.