Tempest

Tempest, a young 16 year old girl, has to deal with killing her own sister in the act of protecting her mother, and getting attached to the spirit. Her mother dies in the same battle, so she has nothing left. She does this all while fighting a disease. She meets new people a year later and becomes friends with them! Tempest feels as if she can't tell her new friends about the evil spirit of her sister as they fight side by side in numerous adventures!