[He's been aware that they've had the disc for days. He doesn't know when they watched it, but he's been prepared, at any time, for Cornelia to respond to it. The fierce pounding at his front door is all the confirmation he needs that the moment has come.
[He's at the sink, washing dishes; he dries off his hands and does a quick evaluation. Nunnally isn't in. Suzaku and C.C. are around but he doesn't want them involved. He pulls a gun from a drawer and hides it away, reaching up for his communicator to send them a terse, privated] Don't interfere. [and then takes it off and tosses it on the counter before heading to the door.
[Cornelia won't kill him. He knows her better than she thinks. So when he opens the door, towel still in hand, he is completely unfazed by the gunblade pointed at him, expression unwavering.]