Gina is a Makai Alchemist and professional thief who sometimes works with Sword to fight Horrors. She is somewhat immoral and highly manipulative and flirtatious but appears to have a soft spot for Sophie and encourages her and Sword to work together. It's hinted that she has feelings for Sword and she asked Sword to marry her, but that was only for a mission. In Episode 12, Sophie asked her, who she likes. She answered that she likes someone and watch to the bathroom door where Sword stands. This scene revealed her feelings for Sword. She is like a mother to Sophie and Sword is like the father.

(Source: Wikipedia)