[Quick transmigration + childbirth + no fixed CP + fox demon]
Ye Luoluo, a thousand-year-old nine-tailed fox, was born a demon. Because she had taken too many lives, she was demoted to undergo trials and bound to a Childbirth System, where she must learn the preciousness of life by bearing children for mortals. Save beauties, bear children, and rise to power.
First world: A scheming puppet emperor vs. a seductive fox-demon heroine. Palace intrigue and suspense.
Mission: Save beauties and grow the family line.
The princes of the Nanming imperial family are being murdered one after another. The harem is full, yet the emperor has no children. Are the princes merely tools for consolidating power?
The demon consort bears children and rises to power, helping the emperor restore order at court. She outmaneuvers villains and eliminates corrupt officials, redresses wrongful cases, safeguards the realm, promotes worthy ministers, and bears a wise ruler.
The heroine transmigrates into the world with a half-demon constitution.
Second world: A concubine is better than a wife: The Madam of the Prime Minister's household.
After encountering danger in the mountains, the prime minister brings home two women who saved his life and elevates one of them to be his legal wife, expecting Ye Luoluo to keep her head down and accept a lowly position.
Since she's a concubine, she'll simply do her duty as one. Sweet and cunning, Ye Luoluo bears children, rises to power, and takes back control of the prime minister's household.
Lighthearted household battles.
Third world: A battle-hardened, blood-soaked God of War general.
Content warnings: The leads are not each other's only partners. The System has no shop. The male lead has few children, but the heroine is not the only woman capable of bearing them. He only dotes on the heroine in the later part of the story.