Was that the reason why Jung Hwa because in a bad term with Mrs. Valerie then? If Mrs. Valerie was Jung Hwa's mother half sister, that would mean Barbara would have a blood connection with Jung Hwa. Then was the jealousy Seoyeon noticed from Barbara was a sibling's jealousy? Seoyeon recalled the expression that Barbara had to her which dropped in a split of second and doubted that be the case. It was clear when she recalled the expression that the young vampiress hated her.
To confirm her thought, Seoyeon asked the man who stood on her left, "Barbara seemed like a good girl, she is polite." she commented with her eyes at Jung Hwa, trying to read whatever expression he gave.