Formerly, the Fallen Daughter of the Duke: Volume 4 (Light Novel) oleh Ichibu Saki

A new installment in the Eternal Love dating sim series promises plenty of surprises and new princely suitors for its protagonist, Claire Martino...but what if she’s perfectly happy with her current love? Prince Gilbert of Lupty is determined to win Claire’s hand via whatever means necessary, be it forcing cutscenes to activate or trapping her all on her lonesome in a kingdom far, far away.

But Claire has no time for pesky would-be love interests, as her diabolical half sister, Charlotte, is still on the loose. Worse, the fate of the world hangs in the balance with an impending magical tornado that promises to level whole kingdoms and end countless lives. Claire must save the fictional universe she holds so dear without losing everyone and everything she cares for—but who will save Claire from Gilbert’s clutches?