Hello, monster ! (Relié)

You probably know the feeling. You're playing happily by yourself in the park, when you're suddenly told, 'Go and say hello to that little boy over there ! ' But what if you don't want to say hello ? What if the little boy isn't really a little boy at all ? What... what if he's a MONSTER in disguise ? Welcome to a weird and wonderful 'what if ? ' story where saying hello can lead to all sorts of surprising adventures...