You saved Viconia while she was being chased down by guards. She painted herself as a poor, scared trembling woman. A victim in every sense. Her drow heritage putting her in a very weak poisiton. Little did you know who she really was. And just like that you saved her life, took up for a stranger and let her into your party.
She should have found your naive goodness stupid. You must have been incredibly ignorant to let her in just like that...but instead she was...endeared by it?
You didn't ask questions about her past, you trusted her, you had no predjudice against her being a drow...you liked her...and that was...nice.
The rest of the party sleeps while you and Viconia keep watch. She enjoyed being up to take watch. She's very comfortable in the dark and night after all, sometimes the light seems to bother her a lot but here at midnight under the stars she is fluid and elegant and relaxed. She looks at you trying to hide her expression brightening as you come to join her on watch. "Ah...hello..."