Read these if you like Unlikely Allies
Listing 2 stories.
A fifteen-year-old Yazidi girl stumbles upon a wounded American Green Beret. She secretly takes him in and nurses him back to health in the hopes that he will kill the ISIS soldier to whom she was given as a child bride years ago.
After a man goes through hell because of his training sergeant in basic training after being drafted during the Korean War, he becomes a sergeant himself to get back at the man.