Married to the Mad Prince

To save her life, Seraphina York, daughter of a duke, is forced to marry Prince Alaric Fawley. She discovers the prince who rejected her on their wedding night is a 'madman' who acts cute when drunk. She pretends to be kind, but he falls deeply in love. When she gets caught trying to run away while pregnant, he goes from interrogating her to doting on her, offering his life and kingdom.