Li Shanshun is a Chinese student just moving to Japan. Upon moving in his new apartment he meets a woman named Haraguchi. He sees here again that night, after observing the stars, and even saves her from getting caught by the cops. It seems Haraguchi is in something she shouldn't be as Li saves her from being kidnapped after running into her again. But a second rescue is out of the question since the kidnapper is a Contractor. Li is knocked off a bridge and left for dead and Haraguchi is taken away. Is Li really dead? Or is there more than meets the eye when it comes to him?

Not long after the appearance of the gate, a group went in to investigate the gate. Among the group only one man survived. Tahara now spends his time in his office taking care of the flower he found in the gate. But things are about to change as a group targets him for his research on contractors and the gate. Can Hei and the others get the information first?

Suo and July find themselves in a dangerous situation thanks to a double-crossing supposed ally. Later, when the young pair is abducted by an especially sinister Contractor, BK-201 must spring into action.