Maria Le Blanc lives on Creature Island with her husband Edward and their son Jean. This unique island environment focuses on genetically recreating extinct animals. As a homemaker, Maria shows her care for others through her cooking, particularly her donuts and ice cream, which become favorite foods of Yadamon. She and her family encounter the young witch Yadamon after her banishment to the human world, involving them in her misadventures. Maria consistently serves as a supportive presence within the Le Blanc household, interacting with Yadamon in their island home.