I always have, Yasuada-kun. Maybe you just didn't see it often because you and Kiyomitsu-kun shared a different room. [It's all very matter-of-fact, he's kind of confused as to the curiosity shown towards such a mundane habit, but if Yamato's curious he guesses? Flicking the ashes in a nearby tray he nods to Yamato's question, though he stands up even as he does.]

It suits you! I'm glad, but I wonder... [Holding the smoke between his lips, he wanders off for a moment, reappearing with some folded up fabric in his hands to give to Yamato. If he unfolds them he'll find they're just... really long socks. They'd caught Horikawa's eye earlier, so.] The cold season is coming, so those might be more practical to wear with your outfit