Serena Linister is the eighty-eight generation descendant of Maoshan. When her parents found her, she received a gift from her brother to the border collie. Serena saw that, the soul of Hana Linister, the adopted daughter of the her family, lived in this border collie. And as long as she lived with this border collie for forty-nine days, her body would be occupied by the soul of Hana.