About The First Female Character:
The last descendant of a family is cursed and punished by the spirits of the clan ancestors. The girl is trying to prove that her father, who was killed because of treason, was innocent. The girl also wants to give back to her family a good reputation and become a respected member of the clan.
About The Second Female Character:
She has Retuned from the realm of the dead.
How?
A snake bites her, and she dies because of its venom. During a spiritual ritual, she comes to life. She claims that now she is connected to god, can speak to him/her, and has a supernatural talent for curing illnesses and seeing the future. Also, she can travel in the dreams and thoughts of others.
About The Third Female Character:
The daughter of a chief. He got blind while rescuing his nephew from a tiger. The daughter does not want to become the next leader, but her father believes that she is born to lead people to a better life. The nephew tries to take the uncle's place, so together with his father (Chief's brother), he tries to turn people against him. Also, they plan to kill Chief and her daughter. The daughter finds out the truth and tries to inform her father, who can not believe, that family members are betraying him.
I thought of characters for your manga. If any of them is interested in you, let me know, and we can discuss more details.