[Kaito might not have realised that he is only clad in his boxes, but Ran is very much aware -- as evidenced by the way that after that first surprised glance, she does not look at him, but instead turns a demure shade of pink and returns to her swords -- now that the danger has passed, modesty has reasserted itself.]

I told you the Mansion was difficult to explain. Of course, you might not remember that, Kaito-san.