Horizon Zero Dawn: We Do This Together (Aloy X MR) Book 1

Y/N Wolff was born an Outcast alongside his mother. She was a fierce Huntress who was unmatched when it came to a bow and arrow. And since Y/n could pull back the string on the bow she trained him non-stop so that he could protect himself when she's gone. He also met a young outcast girl named Aloy and together overtime the two became the best of friends. They were pretty much inseparable, this lead to him and his mother becoming friends with Aloy and her father figure Rost who was an outcast like them. So one day Y/n and Aloy went out to play when they discovered something that would change their lives and the world forever.