Alpha's Substitute Bride

When Ava was forced to marry her stepsister Dora's impoverished fiancé Ethan, they never met. But the groom turned out to be a super hot billionaire. Dora snatched her wedding dress and wanted to be the bride again. Ava sat among the guests. Ethan, however, walked straight towards Ava and said to her, "You are the only one I want to marry."