I Relied on the Good Pregnancy System to Give Birth to a Childless Emperor's Harem

Concubine Liu, who gave birth to the current emperor's only child, allowed the Liu family to do all kinds of evil. When my elder brother came to Beijing to take the exam, he was snatched away by Concubine Liu's nephew because of his good looks and became a forbidden wife. When Concubine Liu found out, she just said lightly, "He looks pretty good, but he still has trouble serving his nephew." Three days later, her brother was wrapped in a roll of straw mat and thrown into a mass grave. After receiving the news, I turned around and entered the palace and became an inconspicuous little palace maid. Didn't he just give birth to an heir for the emperor? I opened the system mall and started buying props for myself, including pregnancy pills, twin pregnancy pills, false pregnancy pills, deodorant pills, whitening pills, beauty pills,...