Aira Greengrass is a transferred student from Malaysia and she is one of the aspiring young wizard who wishes to be a healer in future. Being a half-blood,she was raised in muggle world but totally aware of the magical world. Her mother was a former potioneer,but later on continue her passion as a doctor in muggle world. Her father was an alumni of Hogwarts,but after graduating,he decided to pursue his career as an architect. Aira is the only child in the family and she has an aunt that works at the Ministry of Magic.