Fire Emblem: Heaven's Bloom (2018)

The story begins in the Kingdom of Adestria. Hundreds of years ago, Humans competed for survival with magically gifted beings known as 'Fae'. Over time, a breed of 'Half-Bloods' emerged, descended from parents of each race. The Half-Bloods chose to ally themselves with the weaker Humans, and the Fae were destroyed. The Half-Bloods then turned on the humans, using the powers of their Fae blood to subjugate and enslave their magically-inert cousins. A little over a hundred years have passed since the subjugation. Our main characters are two Half-Bloods: Lord Cassius Malberry and his sister, Fordra. Hoping to find the cure for a horrible disease, they hunt for an ancient Fae tome...