Lifeline

When Xaphina Zabini returned to her seventh year at Hogwarts School of Witchcraft and Wizardry, she wasn't expecting her name to come out of the Goblet of Fire as the champion to represent her school, and she sure as hell wasn't expecting that to lead to another little brother in the form of one Gryffindor Golden Boy Harry Potter.

She finds out there's more to life than becoming the next of a long line of ruthless matriarchs, and if that means fighting to reach it, she bloody well will come hell or high water.

Because a Zabini's first order is to protect their family, and no one ever specified it had to be by blood.