Everyone's born with their soulmate's first words to them written on their skin, and that should make things easy, but it really doesn't. "Roy has alternatively despised his mark and clung to it like a lifeline. Colonel. Just one word, right at the back of his foot. His literal Achilles’ heel."

In a world where soulmates can feel the other's pain, being Edward Elric's comes with a whole host of problems.