Sinful Obsession: My Billionaire Stepbrother

⚠️ Content Warning: This story contains intimate scenes...reader's discretion is advised. Isabel Mayfield’s days are a relentless grind of exhausting work and constant worry. Every cent counts as she struggles to stay afloat, provide for herself, and fight for the law degree that is her only way out. Then her mother calls. A woman who has always chased fun and adventure drops a bombshell that turns Isabel’s whole world upside down: they are moving in with a billionaire, and Isabel is about to gain a stepfamily she never asked for. Living in the Sterling mansion feels like stepping into another world… one full of cold rules, old money, and a stepbrother who looks at her like she is trash and wants her gone. William Sterling is everything she should avoid: rich, arrogant, devastatingly handsome, and convinced she and her mother are nothing but gold-diggers here to take what his family had built over the years. But the anger between them masks something far more dangerous. A pull so strong it burns through every rule, every lie, every reason they should stay far apart. He is her stepbrother. He wants her gone. But yet she is the only thing he craves…