"I could have at least ordered Kuchiki to stay behind." Ukitake finally turned to meet Kaien's eyes. The other man was, mercifully, himself, but there was something about his expression that spoke of the Hollow that had taken control of him. Ukitake's gaze hardened. "The Hollow took advantage of her presence. He used her to manipulate my actions and Kaien's. He was far too clever, and too close to Seireitei. There were so many warning signs, even before Kaien insisted on setting out to find his wife's killer."