Since ancient times, the Kusanagi clan opposes the Yagami, each one of them controlling the capacity of the divine flames. The rising generation does not make departures from the rule with Kyo Kusanagi and Iori Yagami. Formerly, these two with Chizuru Kagura formed the "three instruments" who made it possible to overcome Yamata Orochi, a demon being that prevailed in time in the shape of a giant snake. The Corsican business when a called secret organization NESTS unloads clones of Kyo. The survival of humanity is once more threatened...

Based on the 2D fighting game series King of Fighters. King of Fighters is a battle between the strongest teams in the world, the teams are composed of 4 since the King of Fighters'99 tournament, also the hero since KoF'99 has changed to K'. The story resolves around the KoF'2001 tournament.

Based on the 2D fighting game series King of Fighters. King of Fighters is a battle between the strongest teams of 3 in the world. This series takes place around the KoF'97 tournament.