The terriffied little snake

This story is about a 20.000 years old , cold ,fire demon who is obsessed with a happy little snake of 200 years old.
The cold fire demon lives in the underworld ,he is the king of the underworld but the little snake is just a normal snake that lives in the human world.
The first time the fire demon sees the little snake he started to be obsessed with him.
From there the story starts

And sorry if there are some mistakes in writing but english is not my first language and that's way if you see any mistakes please excuse me!