Sienna's forehead creased with concern, but also with a sort of painful empathy. She knows, personally, what Mika has experienced. "You are no freak. Your wings are not something to view as a shame. Children, and in fact, people do not know how to reconcile differences. So they simply scorn and jeer at them. Small minds breed petty reactions.
You're not a monster, Mika. Banish that thought like refuse. It belongs in an incinerator, not laying upon the floors of your psyche." Sienna told the girl, quietly. There's a real light of care and concern for Mika. It's likely what's made this woman the wonderful psychologist.