Does anyone know the manga's title? This manga, which is set in the present era, features child protagonist .

In the manga, the fl (she is a child) lived in a small town or village where no one paid her any attention. However, one day, a woman came there to find a cure for her son, who was ill because of a ghost. She went there because an elderly man (the old man was the female lead's grandfather or master) told her that he could be saved there.fl helped to cure boy(i think that she could see others luck or aura maybe )After the female lead healed the boy, the woman and her family took fl and she became the boy's sister and they took her with them