[The knock catches Kai in the middle of drawing; he has his mom's sketch of Hollow Bastion spread out on the coffee table, and he's been trying his best to copy it without tracing. The result so far has been...well, nothing to shout about. He's actually glad to abandon it to see who's at the door, and the grin that spreads across his face at the sight of Karasu quickly fades as he really looks at her.]
no subject
...Hey. What's wrong?