Rias Gremory was nervous for the first time in her short life, although it was normal, she was about to pray to the archenemy of her demon race, the biblical god.

But she felt desperate, she didn't want to marry that man, Raiser Phoenix. And she would use anything in her power to avoid marrying him...

So she found herself praying, even though she knew that her head was going to hurt like hell afterwards, but she was willing to endure it.

But who would have thought that the heavens would really answer her...