Luicelia Superdia

Luicelia is the daughter of Norn Greyrat and Ruijerd Superdia. Luicelia is a half human and half superd demon, and she would be 7 years old and the red gem on her forehead is actually her third eye that she sees far and vetter with, and she is another important asset to the future war when the demon god laplace is reincarnated again, so norn has been training her as much as possible to get stronger and Luicelia doesn't know she'll fight in the war in many man many decades. (Character from mushoku tensei)