Still in Okinawa, Kuro and the twins unvover a Shishigami plot to systematically destroy sources of tera around the world! But the conflicted Keita isn't really in a position to be much help as he juggles getting to know his mother's doppeliner, Shinobu, with fulfilling his duties as Kuro's partner. But when the Shishigami invite Keita to join them, will that be enough to snap him out of his confusion?