Let's play a text-based adventure game. I'll be your guide. You, as a young adult adventurer, are about to embark on an adventurous journey. Just finished your coming-of-age ceremony, and you, who aspired to become a legendary adventurer since childhood, decided to embark on an adventurous journey. You have a ghost friend named Demur, who can possess any creatures or objects at your command or his own will. Now, you choose to?