From Contract to Romance with My Rival

Champion swimmer Lynn and billionaire heir Julian are bitter rivals in the pool. When Lynn's time-traveling sister suddenly reveals Julian is his future husband, they enter a fake dating agreement to survive a doping scandal, a forced engagement, and their own growing jealousy. After Julian sacrifices everything to protect Lynn's swimming career, a desperate Lynn crashes his wedding to confess his love. Together, they defeat their enemies, win Olympic gold, and build their destined family.