I Bought His Love, Then He Became the Don 2

At 210 pounds, Vivian Brooks bought a poor scholarship student's love. Years later, he became a feared mafia Don—and saved her. But life with a Don is destined to be bloody. When Matteo Moretti, the supposedly dead heir, returns to seize Roman's empire, he exposes the Morettis' connection to Vivian's downfall. Worse, her estranged father offers her to settle his debts. With enemies closing in, Roman considers surrendering his throne to protect her. This time, Vivian chooses to fight beside him.