"Aah, Shinagawa! Haven't been there yet, but I heard it's a great place!"

Kida nodded, smiling. "So~ Have you lived there all your life?"

Different versions of a world? Well, that was new. He hadn't heard that one in a while, save from some manga and movies. "Different Earths? Like in sci-fi? Really? Is your brother a big expert on alternate dimensions?"