Before dawn, the boy pulled the girl and ran desperately in the direction of the rising sun. "Nao, if we run faster, maybe we can succeed this time." The boy gasped and held the girl's hand tightly. The girl just looked at her handsome boy with a smile on her face, nodded and held the boy's hand tighter. When it was clear that the dawn of victory was about to shine on the two of them, a gunshot plunged the girl into the abyss of darkness once again...