The Prince Is My Kid's Dad?!

Synopsis of The Prince Is My Kid's Dad?!: Lyra, Marquis Hayden's eldest daughter, decides to raise her son alone. When her grandfather is critically ill, she returns home. Facing her stepmother and stepsister's schemes to marry her off to a sumgbag, she chooses to wed the prince! Unexpectedly, he's willing to accept her son as well! But why are the Emperor and Empress holding her son without her knowing?