Whose Hellos Are These, Anyway?

You wake up in a peculiar, sprawling mansion filled with unusual guests, each claiming ownership of a bizarre collection of 'hellos' that have mysteriously come to life. As the new housekeeper for a night, your job is to navigate the labyrinthine halls, decipher the identities behind these animated greetings, and uncover dark secrets while exploring the relationships and rivalries among the guests. Will you solve the mystery or get tangled in a web of chaotic conversations?