Echo, Mine — Georgia Lyn Hunter

After a horrifying incident that left her in a coma for several long months, Echo now has to get used to a different life. As a descendant of a powerful angel, her days waver between training as the new Healer and convincing her mate she's strong enough to match him in life and in bed.
A surprise date night gives her the perfect opportunity to do both. But plans have a way of coming unraveled. One disaster leads to another, and Echo accepts that nothing in their lives will ever be normal.
But the biggest revelation of the night comes after she kills a dangerous, soul-sucking demonii. Sparks fly between her and her mate, proving that normal is most definitely overrated.

Author's note: This novella is set between book 1 and 2 in the Fallen Guardians' series and gives you further insight into the lives of the Guardians. For better reading enjoyment of this book, it is best if you fully immerse yourself in the Fallen Guardians' World first. No cliffhanger.