Older sister of the Zoldyck Family

Alice is an hidden sister of the Zoldyck family, she is 6 years older than Killua making her the middle siblings in the family. She holds Musca blood in her, a clan that was perished by an unknown cause, making her now the last of them or so she thinks. Her father so called cheated on his wife in order to bestow the clans legendary voices in his family. But Alice wasn' happy at all