Trick of the Tail by Tonya Cannariato
In 2078, Earth was invaded. After the Fall stories document that time.
Sienna was trying to find a refuge away from Earth that would be safe for both her and her unborn child.Then she mistook a Siamet for a Katarr.
Zaun was doing his part to build the Resistance when a nasty trick lands him in bed with Sienna.
Overcoming language and trust obstacles is the least of their worries when their survival is on the line.