Introduction: She has a good family background and has never been violently abused.    Why does a double personality appear at the age of 12？   "Are you there? It happened again today..."   Her "she" listened silently, "Everything is mortal chaos and stupid."    "...It's here again..., this feeling." At the age of 14, manic depression came to her and she began to break down.    "Child. Come back." Who was speaking to her？   "Come home."    Who are you？Or...just,   Where are you……？...