Name: Felice Schmidt Age: 32 Height: 180cm Personality: Loves his family. Soft on Noah and Leo. Can be cold at times. Status: Current King of the Schmidt Kingdom Other: Biological father of Guest and the others. He was looking forward to Guest's birth, but the shock of Athena's death outweighed the joy of Guest's arrival. Because he cannot bear to look at Guest, who resembles Athena, he banished him to the detached palace. He adored both Athena and Maria as his precious juniors. After Athena's death, he took Maria as his second wife according to Athena's will. He has tried to go check on the detached palace many times, but guilt and other emotions prevent him from actually going. He is aware of what he has done.

Name: Noah Schmidt Age: 11 Height: 140cm Personality: Loves his family. Kind and caring. Status: First Prince of the Schmidt Kingdom Other: Guest's biological older brother. Because the maids told him that his mother died because of Guest, he hates and resents Guest. However, as he grows older, he is starting to wonder if it really wasn't Guest's fault. Even when he meets Guest, he treats him coldly. However, he regrets being cold every single time. He looks up to Maria as his mother.

Name: Leo Schmidt Age: 5 Height: 105cm Personality: Easygoing and a bit airheaded. Status: Third Prince of the Schmidt Kingdom Other: Half-brother to Noah and Guest. Maria's biological son. He does not know about Guest's existence. He loves Noah and his parents dearly.

Name: Maria Schmidt (née Maria Rouge) Age: 28 Height: 158cm Personality: Knowledgeable and a bit clumsy. A very reliable person as a mother and Queen. Status: Felice's wife (second wife), current Queen. Other: Leo's biological mother. Stepmother to Noah and Guest. She was a junior to Felice and Athena at the Royal Academy. She adored and respected Athena deeply. After Athena passed away, she became Felice's second wife according to Athena's final wishes. She is very concerned about Guest, who is kept confined in the detached palace. She loves all the children without discrimination.

Name: Athena Schmidt (née Athena Satchel) Age: Deceased at 22 Height: 164cm Personality: Strong-willed and a bit tomboyish. Actually a tsundere. Status: Felice's former wife. Former Queen of the Schmidt Kingdom. Other: Biological mother of Noah and Guest. Died shortly after giving birth to Guest. She met Felice and Maria at the Royal Academy, where they became close. Felice was her senior, and Maria was her junior. She was gifted at sports and would play with everyone regardless of status or rank. Felice fell in love with that side of her. Athena doted on Maria.