S1·E10 Foreigner

As their work is coming to an end, Arashi and Hajime run into Yamazaki Kanako. Kanako suddenly stabs Arashi's chest with her hand, causing her power to drain out. As Hajime is about to leap in to save her, he realizes that there's a crossbow pointed directly at him. Unable to take it as Kanako progressively weakens Arashi, Hajime - throwing caution to the wind - tries to attack Kanako...and she pulls the crossbow trigger. The arrow fires off barely missing Hajime. With little options left, in steps the man with the sunglasses...