Ryuu no Ko wo Undara Riensareta node Mori de Inkyosuru Koto ni Shimashita

The one searching for the troubled young lady who was kicked out of her in-laws' home is... His Majesty the King!? Charlotte married against her will in order to keep the family business going. Despite only kissing her husband at their wedding, she somehow becomes pregnant! However, the child she gives birth to is not human, but a dragon child. Stripped of her title and kicked out of her in-laws' home, Charlotte ends up living in the forbidden northern forest with her dragon son. Then, an emissary from His Majesty the King arrives before her...!?