Luea

ルーア

Luea looks like Ruby, but is colored black and white and features two pink heart patterns on her body: one below her left eye and another on her left leg. Her Jewel Eyes are made of blue apatite, and she wears an indigo butterfly hair clip along with a garland of indigo roses around her neck.
In Lady Jewelpet, Luea is very affectionate toward Lillian. She is also very refined and knows exactly how to advise Lillian and train her properly for any task. However, Luea is very sarcastic and often makes sarcastic remarks to Ruby, who interprets them as compliments rather than insults. Luea also loves having her ears scratched. Luea served as Lady Diana's Jewelpet mentor. Luea is very determined to make Lillian the Top Lady. Because of this, she has stated multiple times that she will do whatever it takes to make Lillian the Top Lady.
Luea was left behind by her previous Petit Lady, so she is emotionally scarred and tries to take control and ensure Lillian's success in order to keep Lillian with her.
Luea is shown to be good at mentorship, although she can be very strict with the Lady she wants to become a Lady Jewel. Although she boasts about her own skills a lot, her mentorship is evident through Lillian herself in every Lady test she takes.
Aside from her mentor skills, Luea is an expert magician like any other Jewelpet. She can cast dark spells using the Jewelpad, although it requires a magic key to fully utilize it. This kind of spell, called Tap and Magic, lets her do things to hinder both Ruby and Momona's progress as Lady Candidates. Unfortunately, Luea is not capable of controlling this type of magic, and it usually goes berserk. Luea is secretly working for someone so that her dream of making Lillian Top Lady comes true.
In Jewelpet Magical Change, she has a major role as Laura's partner.