Break off the Engagement? Gladly. After All, I'm Just My Sister's Replacement!

Melanie Tarantion, the daughter of a marquis, calmly accepts the engagement cancellation forced upon her by her fiancé, Dominic.

That’s because “she” was actually Melanie’s twin younger brother, Melvin Roses Tarantion, disguised as her all along.

After successfully breaking off the engagement and returning home, Melvin thinks everything is over—but due to his grandfather’s schemes, he is once again forced to act as Melanie’s substitute!

His next fiancé is Luca Hadriana, the first prince of the Kingdom of Hadriana.

Though Luca seems somewhat flirtatious, he appears to be hiding secrets of his own—

A romantic comedy about a prince with secrets × a noble “lady” with secrets, bound together through a cooperative engagement!