Certainly not Libitina. For one, Libitina would most likely be giggling, and Lenalee is. Not. Giggling. She hears the sound of... something scraping over brick as she nears the hospital and tenses immediately. To someone who doesn't realize her method of fighting, the way she widens her stance might not say much, and that skirt and those heels will indeed come off as very impractical, but that's fine with her. She perks her ears and glances around herself from the corners of her eyes for the source of the noise. It's been a long, long time since she's had to fight, and while she figures whatever she's hearing isn't an enemy or something dramatic like that, it's still a habitual reaction.

—But it's just... Alex. Doing more of that building-scaling, looks like. She takes a half step back as he lands heavily on the ground, her expression still somewhat guarded, but she nods and lets the stiffness seep from her shoulders. "Yes."

A pause. Then, "I'm not late, am I?"