Nalu One-Shots(including END)

A Nalu one-shot.
This takes place at E.N.D. And Natsu is the only one who can defeat it.
Natsu and Lucy had found everyone and brought back Fairy tail, Also,
They have confessed to each other and shared one night.
Lucy becomes pregnant and Natsu couldn't be happier.
But when Natsu defeats END, he also dies(or does he).
Months pass and Lucy's pregnancy grows. When her due date comes, what will happen when someone reunites with her?
PLZ read to find out!