Shatter the Sky - L. C. Ireland - Bog

Edith was 13 years old when her father gambled her freedom away. Now it's almost her seventeenth birthday and she will soon be forced to marry her abusive captor, whose past wives have a habit of dying young.
Vadahm's youth came to an abrupt and horrible end when his mother tried to kill him. A half-breed fae rejected by his people, Vadahm struggles to find his place in the world.
He finds Edith instead.
Their futures are changed forever when Vadahm falls out of the sky and lands in the Bareil's garden, bringing magic, hope, and a chance at love to Edith's broken world.
But at a dangerous price...