I Became the Heroine's Gold-Digging Relative

I transmigrated into a romance novel as the female lead's money-obsessed cousin—and honestly? I was totally fine with it. My shameless mom guilt-tripped the heroine into landing me a cushy job at the male lead's company, and I cheered her on every step of the way. To 'repay' this favor, I became the couple's relationship counselor, breakup mediator, wedding bridesmaid, pregnancy companion, and postpartum nanny. Then one day, while bottle-feeding their baby at 3 AM, I scrolled through social media and saw them living it up on a tropical island vacation. That's when reality hit: I'd become their…