I think we're being presumptive in thinking that Yukikaze was awake enough to remember to get properly dressed at all.
NUI!?Yukikaze... I'll have to chastise you late-That there is the Clothing of Luck, that's a good thing, right?This situation is already unlucky!Just wanna confirm the sortie plan!Ah! There she is!What's with Yukikaze's clothes...T-T-This... this is...Wait, what?
Shiranui?W-W-W-Why!?Commander? This is the girl's dorms, yeah?Nah, I just had some business with Yukikaze, so...