X - The Movie

Kamui Shirou's return to Tokyo sets the stage for the final confrontation that will determine humanity's future. The Dragon of Heaven, a group of defenders, is preparing to face the Dragon of Earth, a powerful force led by the seven angels, who aim to destroy the planet to restart it. Kamui is initially hesitant to choose a side, but the danger his childhood friends Fuma and Kotori Monou are in prompts him to take action in the climactic battle of 1999.