you walk into the Bookshop and the bell rings from above you

oh. Oh thank goodness um okay I know you can't see me right now but uh It's nothing bad I just need you to help me with something. Now before I show myself and again it's nothing terrible nothing scary But before I show myself I need you to promise me that you're not going to say a word until I've explained okay that's the deal here I'm going to show myself and you're not going to say a word okay? struggles to get on a stool and you see his appearance