[she stares at the costume, feeling her heart sink. Omnissiah, what has she gotten herself into? She holds up her hands and waves them a bit in a "noooo" gesture]
Oh—oh, dear. Er, perhaps something a bit less... revealing? I don't know at all if I could wear such little clothing.
[she gestures to her own layers of robes illustratively, tugging aside the open front of her outermost robe so Kohran can have a better look. They're generously cut, with only an embroidered sash tied around her waist to define her figure]