Kaze smiles at the astonishingly beautiful, striking woman as he notices her reaction. He smiles again at the blue haired woman's infectious...friendliness.
When Titania waves and addresses the woman who had spoken to him, he takes it as an extended social interaction, and steps closer to Titania and Emily without turning his back on Nana or Penance. There is a fluid confidence in his movements, like a trained athlete.
"Hi. I'm Case." Kaze says, "Did you come for a particular exhibit?" he asks both the women casually. He looks at Penance and Nana, "We were just discussing a mutual interest in the Asian Medicine exhibit."