It's already too late to panic after being told we're breaking up.

Clement committed infidelity and then declared the breaking of his engagement to his fiancée Francine. Francine accepted it with a smile. Because she knew. That no decent future awaited Clement ahead. "What a fool he turned out to be." Sylvestre, the duke's son and one of the few who knew her secret, laughed quietly to himself. ――Francine's household harbored a great secret. And it was something that would overturn Clement's evaluation of her as well... "I won't break the engagement." When Clement, having realized her worth, said such a thing―― ――it was already too late.