“For the alliance, you must marry Archduke Harzent of the Arkhan Empire.” Once a knight sworn to protect the kingdom of Heyworth, Princess Annette, who became the object of scorn after an injury, takes the place of her half-sister, Bridget. And enters into a strategic marriage with the war hero, Archduke Harzent, who is said to resemble a gruesome monster. On the day she was heading to the empire for the marriage, She is unexpectedly ambushed and turned into a young child?! Annette is deeply concerned that the alliance with the empire might be jeopardized due to this sudden event, but… “In reality, I am an ardent follower of the Lord Heyworth.” “Can I become strong like the princess and protect what is precious to me?” “That cuteness itself is a guilty pleasure!” Annette, who is adored by young and old alike,. “My princess does whatever she wants.” Even the archduke, Cardien, who, contrary to the vicious rumors, is a dazzlingly handsome man, is affectionate. She even admits,”Your Highness, I’m not really a child.” “Oh, I know. Now, shall we go play chika chika?” “……..Sheesshhh,” For some reason, he keeps trying to raise her! What on earth is this?!!