We all know how far Kirito is willing to go to save Asuna, he would fight armies and challenge Gods if only that would mean her safety. Making a pact with a Devil was no exception, in her name he would even become one... Spread your wings and take flight! Let the legend of the BlackDevil begin!

When I sold my soul to the Devil, I thought I was prepared for anything. I wasn't. I didn't expect him to be a her. Or dressed up as a magical girl carrying a pink wand tipped with a cheerful yellow star. Her being a prankster however didn't come as much of a surprise. You know, the Bible would have been a whole lot more interesting if they included stuff like this. Complete AU