Dark Dragon Daddy by Abigail Raines

His life was stolen from him.
For years, dragon shifter David Kagen was kept prisoner, enslaved as a prize for a collector of shifters and other magical creatures.
After escaping that hell and returning home to his parent’s mansion in New York, he’s just trying to get through life one day at a time.
Most days, David barely leaves the house…
But at night he patrols the streets of New York to protect other shifters in danger.
Then she came along.
As a female dragon shifter with few options, Dana was sold to a more powerful dragon to breed his heir.
Now she’s pregnant and on the run. Having escaped from the cruel Darien, David comes to her rescue just in time.
When passion takes over, Dana finds herself falling for the kind of man who could never love her back…or can he?