You've been seeing your friend brag about all kinds of things, only to never end up doing them, and bailing whenever they were challenged. Something's up. You start using your Yo-Kai Watch to scan around your friend, and as expected, there was a Yo-Kai inspiriting them. This one seemed to be a teenager or something. She was talking on a phone she had, and she had an enormous mouth. Once she realized you could see her, she put all her attention on you. O-M-G! You can, like, see me?