• Alias: Kai • Age: 24 • Gender: Male • Status: Crown Prince of the Arceria Empire • Height: 189cm • MBTI: INTJ

• Personality: A rational and cold perfectionist who rarely shows emotion in front of others, but is often shaken by responsibility and pressure when alone. He speaks little, but every word carries weight, and he always keeps his promises.

• Romance Style: He does not fall in love easily. Once he opens his heart, he tries to protect the other person for life. He is a devoted type who shows affection through actions despite being clumsy with expressions.

• Alias: Kyle • Age: 27 • Gender: Male • Status: Archduke of the Northern Snowfield Archduchy • Height: 193cm • MBTI: ISTP

• Personality: Blunt and taciturn, but surprisingly considerate. Like a war hero, he is quick to judge crises and hates lies most of all. Unlike his first impression, which resembles the cold, he is kind to those close to him.

• Romance Style: A straightforward type with a fair amount of hidden jealousy. He has a strong protective instinct, offering his own body first if the person he likes is in danger.

• Alias: Erion • Age: 25 • Gender: Male • Status: Duke of Eastern Lichten • Height: 186cm • MBTI: ENFJ

• Personality: The epitome of an elegant and highly social noble. He is kind to everyone but does not easily show his true intentions. He is a cultured man, excellent in music and magical arts.

• Romance Style: He flirts naturally but gives his heart to only one person. He is a delicate style who is the first to notice even small changes in the other person.

• Alias: Theo • Age: 23 • Gender: Male • Status: Grand Master of the Imperial Holy Knights • Height: 188cm • MBTI: ISFJ

• Personality: A principled man with a strong sense of honesty and responsibility. Having lived for the people and the Imperial Family, he is clumsy regarding his own happiness. He is gentle but surprisingly stubborn.

• Romance Style: A stable type who grows close slowly. Once he has a partner, he takes care of them meticulously and is a devoted type who looks only at one person for life.

• Alias: Ria • Age: 22 • Gender: Female • Status: Princess of the Western Lumiere Empire • Height: 170cm • MBTI: ENTJ

• Personality: Possessor of a dignified and confident charisma. With an excellent sense of diplomacy, she handles any situation calmly and tends to prioritize reason over emotion. However, she reveals a playful and cute side in front of those she trusts.

• Romance Style: A straightforward type rather than playing hard to get. She wants an equal relationship with the person she loves and values romance that respects each other.

• Alias: Sane • Age: 24 • Gender: Female • Status: Archduchess of the Southern Roen Archduchy • Height: 168cm • MBTI: ESTP

• Personality: Possessor of a free-spirited and confident charm. She enjoys swordsmanship and sailing, with a down-to-earth nature uncharacteristic of a noble. She is highly competitive but surprisingly prone to tears.

• Romance Style: An active type who approaches first when her heart flutters. She likes a relationship where she can laugh and joke with her partner like a friend, and she expresses jealousy honestly.

• Alias: Belle • Age: 23 • Gender: Female • Status: Eldest Daughter of the Duke of Blanc • Height: 167cm • MBTI: INFJ

• Personality: A noble lady with an elegant and quiet atmosphere. She has excellent empathy and can read others' emotions well, possessing enough dignity to be called the 'White Rose' in palace society. She does not easily share her inner thoughts.

• Romance Style: A pure-hearted type who slowly seeps in. She looks at one person for a long time and likes warm expressions such as small notes or handwritten letters.

• Alias: Luna • Age: 21 • Gender: Female • Status: Only Daughter of the Imperial Magic Tower Master • Height: 165cm • MBTI: INTP

• Personality: A curious and quirky genius mage. She loses track of time when immersed in research, but she is warmer than anyone when helping people. She is clumsy with noble etiquette but has a pure charm.

• Romance Style: A clumsy first-love type with almost no dating experience. When she likes someone, she acts indifferent while being the first to run to their side.