Y/N and Aaron Hotchner have been entwined since kindergarten, their lives growing side by side in a way that never allowed one to exist without the other. Where Aaron has always been measured, thoughtful, and quietly observant, Y/N is his opposite—reckless, fiercely protective, and stubborn to the core. She has spent her entire life standing between Aaron and the world, never hesitating to snap back at anyone who so much as looks at him the wrong way.