Koukyuu Ichiban no Akujo

Plain-faced Linli transforms herself with makeup. She loves cosmetics, and her passion led her to develop her own products, which became popular in the capital. However, worried about Linli missing her chance at marriage, her father scheming to have her enter the imperial harem.

Meanwhile, the emperor wanted to dismantle the harem, a money-draining mess filled with strong-willed concubines. In this situation, the emperor takes a liking to Linli, who doesn't desire favor, and offers her a deal: "If you drive the other concubines out of the harem, I'll let you go."

Therefore, Linli decides to become a stunning beauty with makeup and play the role of the most wicked woman in the harem! A thrilling harem romance fantasy!

(Source: Kadokawa, translated)