The Maid and Her Favorite King of Darkness

Read manhwa The Maid and Her Favorite King of Darkness / Yami no Ou, Takaga Maid wo Henaisu. / 闇の王、たかがメイドを偏愛ス。
The King of Darkness and his maid…? Anna River is reborn as a character in her favorite novel “The Sacred Virgin and the King of Darkness”. Will she stay a side character like she’s supposed to, or will she take matters into her hands and save the infamous King of Darkness…?