The Popular Omega's Cultivation Chronicles

Lu Haoyue is an Omega who transmigrates into an ancient cultivation novel. The leader of the righteous path in the book is poisoned by a Scented Spring Blossom, and Lu Haoyue is just about to come of age. Lu Zhifei gazes at the "girl" in his arms, whose cat ears have appeared, and without hesitation pulls her close... After that, every month during Lu Haoyue's heat, he disguises himself as a girl and goes to see Lu Zhifei... The leader of the righteous path has always had one question: Why does his partner like the lights off, and refuse to let him touch him too much... This novel has some original worldbuilding! Omegas can take on a beast-eared form! A sweet 1v1 romance! Come add it to your collection!