Quick Transmigration: The Heirless Male Lead? Cannon-fodder Supporting Girl Comes to Bear His Child

(Quick transmigration + good pregnancy physique + multiple pregnancies + cannon fodder's counterattack + revenge against scum) Shocking! The male lead is having trouble conceiving? The system tells her to have more children so the male lead can feel happy and thus gain more points. But why is she always the most tragic cannon fodder female supporting character? Okay! Okay! To earn points, she has no choice but to work hard to turn things around and try her best to seduce the male lead! Plane 1: [The Crown Prince Without Heirs × The Stunning Cannon Fodder Eldest Daughter] Xu Jinyi, the legitimate daughter of the Marquis's family, possesses stunning beauty, yet she meets a tragic end. In order to escape the original owner's fate and take revenge on her half-sister and the Third Prince, Xu Jinyi decides to find a powerful backer and reverse her cannon fodder destiny. Li Jinchen, the crown prince, suffers from a terminal illness and is an infertile heir to the throne. He thought he would never have children of his own and would have to adopt from the imperial clan. However, he never expected to meet Xu Jinyi, who has a good constitution for conceiving. From then on, having children was no longer a problem... Dimension Two: [Middle-aged Emperor with No Heir × Beautiful and Charming Imperial Concubine] As an emperor, he was thirty-two years old but had no children. He had three thousand concubines in his harem, but none of them could bear him a child. That is, until he met the Imperial Concubine, and from then on, news of her pregnancy frequently came from the harem...