That was remarkably fast, you muse. Then again, her uncle probably didn't tell her the full details. "Oh, that's good," you say. "Hey, listen," you add as you walk further away from Mami, hoping she doesn't hear you - wouldn't do to remind her, after all. "Do you remember what I said about a talking white cat?"
"Huh?" Nagisa says. You can imagine the little tilt of her head accompanying that questioning tone. "Cats can't talk, big sis."
Kids.
"Ah... well, this one can. If a white talking cat with pink eyes and these ribbony tassel things coming out of its ears talks to you," you tell her, "Be careful, OK? Tell me immediately, and don't agree to anything it says."
"O-OK?" Nagisa says, sounding confused. "If you say so."
"Alright," you nod. "Please remember, Nagisa, this is important," you stress, trying to impress the seriousness of the situation upon her.