Solitude was a state that quite often he'd retreat himself back into. Any pain that came with it was therefore self-inflicted and had no cause to have attention drawn to it. But that wasn't really Sephiroth's reason for doing so. Before Crystallis, he'd always been better in his own company than in that of a group; with two notable exceptions.

As if his ears perked up at the greeting was passed his way, Sephiroth seemed to snap out of whatever thought he'd been chewing over as he blinked and straightened himself up a little while turning his head to see Rukia. It was like he hadn't even been breathing, as now he took a breath and it misted up between them.

"Oh. And to you Rukia-"

Bare fingertips brought the small glass flute forwards, Sephiroth brought it up and took a sip; a flash of white visible across the back of his knuckles as he did so. It didn't seem sparkling enough to be champagne, though. Then looked over Rukia more, catching up to how cold she appeared. No surprise, it was cold out here above the clouds.

"-did you bring a coat?"