How Does The Rivalry End In 'Billionaire Brother'?

On her birthday, Giselle Macmillan receives a gift she will never forget. A video of her husband in another woman’s bed. In one brutal moment, her perfect marriage shatters. The love she believed in? A lie. The man she trusted? A stranger. Determined to walk away, Giselle demands a divorce… but Kennedy Macmillan refuses to let her go, tightening his grip like she’s something he owns. And then there’s him. Joseph Macmillan, Ken’s older brother. A billionaire, cold, ruthless, and untouchable. He doesn’t just want her gone. He’s determined to break her until she leaves Ken. But when Giselle’s father collapses from the shock and her husband disappears without a trace, the last person she expects steps in to save her was Joseph. The same man who’s been trying to drive her out of his brother’s life. Now Giselle is trapped between two brothers. One who won’t let her go, and one who might ruin her in ways she never saw coming.

--- This book is a sequel to "Marrying a Disabled CEO in my Sister's Place", but both stories can be read separately --- "My ex-fiancé cheated on me with my friend. Having his hot billionaire brother as my revenge partner seemed like a perfect plan, but... Maybe it went too far when I ended up in his bed.” Millicent Bianchi has always been known for being a good girl and a kind person. Revenge has never been part of her vocabulary. However, when she discovers that her fiancé had an affair with her friend, Millie decides that's going to change. This man's schemes are threatening her family and, for that, she's going to make him suffer. And, for that, she needs the most unexpected partner possible: Isaac Carnby, her ex-fiancé's mysterious and rude half-brother. This meeting of two revenges should be nothing more than a deal. But... "Tell me, Millicent." he murmured in her ear, until she was no longer able to contain her moan "Tell me you've never felt with him the way you feel with me."

“I can’t believe you are coming back after all this years Aria, you still haven’t learnt your lessons after all this years.” Jessica said harshly. Aria look at her deceptive sister dead in the eyes, “ The only lesson I learnt is never to underestimate a mother trying to take the rightful heir for her children.” Eight years ago, Aria’s world shattered when she caught her billionaire husband Michael cheating with her own sister Jessica. Divorcing with a little money in her account, She left the city. Now, Aria is back, much stronger than ever before with her twin sons Alex and Austin. As betrayal unravels, Micheal realizes his greatest mistake was losing Aria. Can Aria conquer this high-stakes games of secret and lies within the elite billionaire world with her sons on her sides ?

Ethan Banks never planned to fail. Fresh out of New York University with a degree in Computer Science, he expected to land the kind of career that would prove to his family back in Bay City, Texas, that he could stand on his own two feet. Instead, New York City chewed him up and spit him out, interview after interview leaving him rejected and exhausted. He refused to run home and let his parents—or worse, his older brother—fix everything for him. He needed to make it here. On his own. When he finally secures a position at Warner Industries the largest tech empire in the city Ethan thinks his luck has turned. Until he meets the man behind the empire. Aaron Warner. His brother’s childhood best friend. His secret ex-boyfriend. The boy who once set his heart on fire, then vanished without a word. But the Aaron he knew is gone. In his place is a billionaire CEO with a reputation as ruthless as the empire he built. Cold. Calculating. Untouchable. And when Ethan demands answers about their past, Aaron offers only one shocking ultimatum: marry me—or walk away. Caught between the success he’s dreamed of and the love that once destroyed him, Ethan must decide if he’s willing to risk everything for the one man he swore he’d never forgive.

"You slept with my twin… thinking she was me?” Elena’s voice shattered in Alexander's penthouse the night before their wedding. Elena walked in on her identical sister Eliza riding the man she loved and threw her pregnancy test into the rain. Heartbroken and humiliated, Elena storms a shadowy billionaire bar for revenge. She proposed one drunken night with a dangerously handsome bartender Liam, which later becomes a viral sex tape that destroys her reputation overnight. The next morning, she watches live as Eliza steals her wedding, her groom, and her future. Alone, pregnant, and disowned by everyone, Elena heads to the hospital to end it all. But fate slams her straight into Liam the bartender who’s secretly the rebellious son of a dying billionaire. His father’s final wish? A grandchild… or Liam loses the entire empire. In a desperate hospital hallway, they strike a devil’s bargain: one year of fake love, fake marriage, and a real baby. What begins as cold revenge and survival slowly ignites into something deeper. But when the lies start feeling real and the twin who destroyed her life comes knocking, Elena must choose keep the fortune… or finally choose her own heart.

When her mother marries a billionaire, she’s dragged into a world she never asked for… private jets, elite academies, and a mansion that feels too big to breathe in. But nothing prepares her for him. Her new stepbrother. The school’s most dangerous playboy. The boy every girl wants… and every parent fears. The one person she must avoid if she wants her life to stay peaceful. But the moment their eyes meet, his gaze burns into her like a claim. At school, she tries to keep her distance. He pulls her closer. She hides from the rumors. He wraps an arm around her waist and whispers one word that changes everything: “Mate.” Suddenly, she’s the target of every jealous girl in the academy, trapped between school drama, a possessive stepbrother she can’t resist, and a bond she never believed existed. She only wanted a fresh start. Instead, she walked straight into the arms of the one boy she can never have… And the only boy who refuses to let her go.