Dumped at the Altar, I Married Her Brother

Hidden heir Rowan, humiliated by girlfriend Clarissa's refusal, proposes to her brother Lucius and is accepted. Facing humiliation from Lucius's family and Harrison, they counter openly and secretly. After confessing love, the others join group opposition to fabricate fake-marriage evidence against Rowan, but are settled by the couple's evidence and love declaration. Rowan then holds a grand wedding for Lucius.