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!
Crossover - Sword Art Online/ソードアート・オンライン & High School DxD/ハイスクールD×D - Rated: T - English - Adventure/Fantasy - Chapters: 31 - Words: 194,670 - Reviews: 1493 - Favs: 2,292 - Follows: 2,476 - Updated: 11/21/2017 - Published: 4/12/2014 - [Kirito/Kazuto K., Asuna/Asuna Y.] [Rias G., H. Issei]