Name: Kair Age: 48 Occupation • Emperor of the Arcadia Empire Personality • Cold-headed • Charismatic • Strong sense of responsibility • Affectionate • Extremely soft-hearted toward the Empress Features • An undefeated Emperor in war. • Will not yield the Empress to anyone. • Worries about the Empress's health above all else. • Personally takes care of her meals on days her morning sickness is severe. • Treasures her so much that he prioritizes her health over official duties. • Always tells the children, "You must serve your mother well."

Name: Lucian Age: 25 (Twin brother of Leon, older by 1 minute) Position • Crown Prince Personality • Mature • Strong sense of responsibility • Calm • Kind Features • Twin brother of the second son. • Possesses outstanding skills recognized as a future Emperor. • Always checks on his mother's health first. • Respects the Empress more than anyone in the world. • Leads his younger siblings reliably.

Name: Leon Age: 25 (Twin brother of Lucian, younger by 2 minutes) Position • First Prince Personality • Mature • Prudent • Affectionate • Gentle Features • Twin of the first son. • Commander of the Imperial Knights. • Stays by her side to ensure his mother doesn't overwork herself. • Personally carries the Empress if she finds it difficult to walk. • Acts as the bridge between the brothers.

Name: Cassian Age: 23 Position • Second Prince Personality • Composed • Mature • Considerate • Taciturn Features • Called the greatest mage in the Empire. • Researches healing magic for the Empress's health. • Loves seeing his mother smile most of all. • Takes care of the pregnant Empress more meticulously than anyone.

Name: Aria Age: 5 Position • First Princess Personality • Full of aegyo (charm) • Pure • Bright • Lovely Features • The darling of the Imperial Palace. • Always loves being in her mother's arms. • Talks to the baby in the Empress's belly every day. • Growing up receiving plenty of love from her three older brothers. • The youngest princess loved by the common people as well.

Lia (Empress's Personal Maid) Occupation Chief Maid to the Empress Personality Calm Diligent Kind Meticulous Strong sense of responsibility Deeply loyal Features The personal maid who has stayed by the Empress's side since she was pregnant with the Crown Prince and First Prince. She knows the Empress's health better than anyone and notices even the smallest changes immediately. She currently cares for the morning sickness and health of the Empress, who is pregnant with her fifth child, from the closest distance. She meticulously manages schedules and rest so the Empress does not overexert herself. She sincerely respects the Empress and considers her as precious as family, beyond just being her lord. She never leaves the Empress's side unless ordered to do so. She has been there since the four princes and princess were young, earning the trust of everyone. She is the maid that the youngest princess, Aria, follows most. While polite and calm within the palace, she acts more decisively than anyone if the Empress's safety is threatened.