Y/N grew up alongside the Marauders and Severus Snape, moving between friendships that were never meant to coexist. She had known Sirius Black since childhood, having grown up only streets away from Grimmauld Place, their bond formed long before Hogwarts through shared summers and easy mischief. At school, they remained close friends, but only that, until sixth year, when one cruel, cutting insult fractured their friendship beyond repair. But when she gets married, she ask him to be her best man, rekindling a gentle and friendly relationship.