Our Demons, Best Friends

If the perfect world existed, Ava and Sebastian would be in it, in love. But in this world, they are both closely watched by their demons. Their baggage is not light: Ava has hers carefully folded in vacuum bags to occupy as little room as possible; Sebastian wears his like a lead armor that makes him slouch sometimes. They like each other, but how are their demons going to get along?
Ava spent half her life being a twin. Ever since her sister died, she has tried to live for the both of the...