The Crown Prince Came to Win Me Back, but My Husband Is Just Too AdorableNewKonyaku Haki Sareta Reijou wa Henjin Koushaku ni Totsugasareru: Outaishi ga Mukae ni Kita Kedo Otto ga Kawayusugite Soredokoro Janai; 婚約破棄された令嬢は変人公爵に嫁がされる　王太子が迎えにきたけど、夫がかわゆすぎてそれどころじゃない; Married to an Eccentric Duke, I'm Too Smitten with My Adorable Husband to Go Back to the Crown Prince

Theodosine, a marquess's daughter whose engagement was annulled by a philandering crown prince, finds herself betrothed to an eccentric duke from the frontier, a man plagued by unsavory rumors. When they finally meet, the duke is wearing a horse mask, living up to his reputation as a weirdo... but beneath that horse head lies a breathtakingly beautiful young man! "You're over thirty, aren't you? Why are you tearing up so adorably?" To top it off, this duke is a knight capable of wielding high-level magic, a feat unimaginable given his appearance! A romantic comedy featuring a serious-minded young lady who knows nothing of love and a reclusive duke with a secret past!