Card Lores:Robo Ghostheart

She was a kid who lived in the village ruled by a prince. A war began and took over the village. She needed to run away. But poor kid, she ran into the woods and encountered wild creatures in there which used to be peaceful, but they were corrupted. They brutally ripped her heart of her body alive and instantly took the life away from her. Therefore, her soul becomes heartless, but after she joins in the Shade Artificial mansion, the people there helped her building her new heart, so she can have feelings once more. Even though, the heart is just an artificial matter.