[As long as everyone behaves themselves. So clearly Koizumi could not invite Haruhi.] I'm not certain what my friends are going to be doing for Christmas this year, but it sounds lovely.

We haven't met yet. I'm Itsuki Koizumi, Sirius' roommate. I'd have introduced myself sooner, but it looked like you needed some time to settle in, and I didn't want to interrupt.