Answer:
Once upon a time a dragon who wanted to be a chef, his name was Coquito. He always spend his time reading cooking books and watching series about how to cook better. One day, a friend of him sent a recipe of Coquito to a cookingcontest. Then, the judges called to him. He noticed that he has won it. So he spent the rest of his days cooking for the people who loves him.
We know he is talking to a third party narrator that he is talking to an imaginary rabbit
This is false: it has a very negative connotation.
It refers to a smile that is mocking or contemptuous (or a remark that is mocking or contemptuos) - so it's not a genuine smile, but an ironic and sarcastic smile. It has a negative and not a neutral connotation.