Zombie Zone

You control Aya, a young girl who has lived with her father. An excellent swordsman, he has left his wife and the daughter Saki to live in a secluded place, teaching Aya sword techniques. His wife died, and Saki blamed the father for her death. She killed her own father, and went off to find an artifact to resurrect her mother. Now Aya must stop her own sister and avenge her father's death.