From the sounds of it, the relationship between Iori and Yukari must've been a lot like the relationship between him and Aoko... He made mental note of the mention of physical retaliation on Yukari's part for future reference.

When Iori said he had a serious question, Kaito nodded. He'd thought that it was turning into an interrogation, but it seemed Iori was finished beating around the bush. "Ask away," he said.