X, 3

Fûma and Kotori's father, the priest of the Togakushi Shrine where the Sacred Sword was sealed, was murdered after leaving a few mysterious words for Kamui and Fûma. From the day he returns to Tokyo, everything around Kamui begins to change. After hearing from Sorata that the fate of the Earth rests on his shoulders, Kamui tries to look away from that heavy burden… but a completely unexpected person appears before him.