Contract Marriage with My Ex’s Rival

Joanna's fiancé Noah repeatedly flakes on Luna and keeps dragging his feet on getting married. With her grandmother seriously ill and hoping to see her married, a desperate Joanna agrees to a contract marriage with Noah's rival, Sebastian. After the wedding, Noah keeps causing trouble and even secretly schemes with others, but Joanna and Sebastian fight back together, uncovering one plot after another. During their contract life, the two gradually fall for each other, and Noah and Luna ultimately get their comeuppance.