from tokyopop: high school student moon bin lee has difficulty sleeping due to a recurring nightmare: he's stranded over a thousand years in the past chasing a dark-haired girl into a deep abyss. before long, the nightmare overwhelms him, and he is unable to tell whether he is moon bin, a seoul teenager at the end of the second millennium, or sa kyoung kim, the son of a prominent warrior family in the middle of the first millennium. people in his present-day life assume roles in his historical life as he struggles to learn exactly who he is and what he's expected to do, straddling a transmigratory portal through time and space. in the present, his school's kendo club battles to stay in the championships…but in the past, moon bin finds himself at the threshold of a territorial dispute on the plains of mongolia …