I Adopted a Villainous Dad Vol. 4 (novel) - I Adopted a Villainous Dad, #4

A crown princess. A potential suitor. A suspected traitor. Being the beloved princess of Rahel was proving to be a herculean task. Duke Wayne's elusive ways were making it hard for her to be recognized as the crown princess. To make matters worse, everything becomes increasingly complicated when a string of incidents takes place in high society. Something strange is afoot, but catching the mastermind hiding in the shadows will not be an easy feat.
Between trying to keep the Ravenhook family in check, discovering pieces of her ancestors' lives, and rescuing her beloved professor from a forced marriage, Amelia can barely catch her breath! Meanwhile, Kais and Hessen start acting oddly around her, and she has no idea why. Just when everything seems to be under control, Amelia receives an ominous warning telling her to be wary of someone close to her.
Can Amelia continue to trust those dearest to her, or will the traitor hiding in plain sight get the best of her? For the sake of their favorite characters, true fans must be prepared to sacrifice everything.