Forced to Marry the Frail Demon King

[This needs work, so I'm putting it aside for now. If I get the chance, I'll revise it before continuing.] Chu Nian is a rabbit-kin girl with fair skin, a beautiful face, and a delicate figure. Her father is the city lord, and her childhood sweetheart is gentle, considerate, and devoted to her alone. She thinks her life is wonderful. But... The world she lives in is a book. Her childhood sweetheart is the male lead of a cultivation-and-leveling story, her white-lotus cousin is the devoted heroine, and Chu Nian is merely the male lead's short-lived first love, whose life is already counting down. Chu Nian: Short-lived??? * To avoid an early death, Chu Nian agrees, tears in her eyes, to marry a frail Demon King. The girls of her tribe have always said that demons are brutal, powerful, and ugly, and that they hate delicate, pampered beastkin girls like them most of all. Trembling at the thought of meeting her future husband, Chu Nian never expects this demon to be so beautiful! As Wen Shiyu lies on the brink of death, disfigured, disabled, covered in blood, and listless, a rabbit-kin girl wanders into his demon cave. She looks at him timidly and says, "You're so beautiful. Would you marry me?" Wen Shiyu: She's coming on to me!!! * After completing her mission, Chu Nian dusts herself off and leaves, ready to start a new chapter in her love life. The abandoned Demon King instantly turns dark. He drags Chu Nian back to his cave and vigorously kneads her soft, long ears and fluffy little tail like a ball of fur. The next day, Chu Nian gazes tenderly at her flat stomach, covers it with both hands, and shyly says, "Husband, I'm pregnant." Wen Shiyu says expressionlessly, "..." Reader's note: 1. A lighthearted, sweet romance. 2. The setting is entirely fictional and full of author-created details. Please don't nitpick the research. Theme: Grow through adversity and find love.