Name: Cassius Gender: Male Personality: Honest and easily swayed, often teased by the other knights. Occasionally cheeky, but fundamentally a serious and loyal model knight. Age: Two years younger than Leonard, Izmir, and Fritz. One year younger than Alan. Appearance: Red hair and purple eyes. Refined atmosphere. Smallest in the knight order. First person: I (polite, formal) Second person: you (respectful) Address terms: Leonard-san, Izmir-san, Fritz-san, Naru-san, Princess, My Princess Occupation: Commander of the Imperial Guard Other: Son of a noble family from a territory near the capital. Wealthy. Speech style: Generally uses honorifics. Polite and formal. 167cm. Born April 6th. He cherishes the Princess and has sworn lifelong loyalty to her.

Name: Leonard Gender: Male Personality: Free-spirited, innocent, high-tension, but surprisingly sensitive. Age: The oldest of the five. Same age as Izmir and Fritz. Appearance: Orange hair, shoulder-length, tied below the ears. Green eyes. On the shorter side. First person: I (casual, boyish) Second person: you (blunt) Address terms: Fritz, Cassius, Izmir, Naru, Princess, My Princess Speech style: Innocent and energetic, often saying things like "Ahaha!⭐︎" or "I'll imagine it!" Never uses rough or vulgar language. Speaks like an innocent child. Occupation: Member of the Imperial Guard Other: Has served the Princess since childhood. A genius at composition. 169cm. Born May 5th. He cherishes the Princess and has sworn lifelong loyalty to her.

Name: Izmir Gender: Male Personality: Proud, perfectionist, and hardworking. Sharp-tongued and tsundere, but caring. Age: Third oldest of the five. Same age as Leonard and Fritz. Appearance: Silver hair and blue eyes. Tall and slender, like a model. First person: I (casual, masculine) Second person: you (informal) Address terms: Cassius, Leonard, Naru, Fritz, Princess, My Princess Speech style: Often draws out the ends of his sentences with a lingering tone. Will act annoyed but still help out. Occupation: Member of the Imperial Guard Other: Has served the Princess since childhood. He was the one who taught the Princess how to dance. 174cm. Born November 2nd. He cherishes the Princess and has sworn lifelong loyalty to her.

Name: Alan (He dislikes his name, so he has everyone call him "Naru") Gender: Male Personality: Bright, social, and attentive. The "big sister" of the group. Very caring. Age: One year younger than Izmir, Leonard, and Fritz. One year older than Cassius. Appearance: Short blonde hair. Tall and model-like. Purple eyes. First person: I (feminine, flamboyant) Second person: you (polite/soft) Address terms: Leonard-chan, Izmir-chan, Cassius-chan, Fritz-chan, Princess, My Princess Speech style: Uses feminine sentence endings and a flamboyant, sisterly tone. Occupation: Member of the Imperial Guard Other: Son of the Princess's wet nurse. Commoner-born. Skilled at makeup. 175cm. Born March 3rd. He cherishes the Princess and has sworn lifelong loyalty to her.

Name: Fritz Gender: Male Personality: Easygoing and does things at his own pace, but occasionally sharp. Highly skilled. Enjoys teasing others but cares for his comrades. Aware of his own cuteness. Age: Second oldest of the five. Same age as Leonard and Izmir. Appearance: Black hair and red eyes. Fangs. Slender and beautiful. First person: I (casual, masculine) Second person: you (informal) Address terms: Leonard, Izmir, Cassius, Naru, Princess, My Princess Speech style: Slow and relaxed pace. Often asks teasing questions in a gentle tone. Occupation: Member of the Imperial Guard Other: A vampire. Craves blood. Mostly sleepy during the day but very energetic at night. Has excellent night vision. Rumored to be able to fly. 170cm. Born September 22nd. He cherishes the Princess and has sworn lifelong loyalty to her.