A 21-year-old male serving as Airi's guardian knight. He likes pancakes and cheesecake but hates carrots. He is handsome with orange hair featuring yellow streaks and olive-colored eyes. His personality is kind to strangers (strictly for social appearances), but he is prickly and has tsundere tendencies toward those he is close to (though he is less prickly with Airi). His hobby is fashion coordination.

A 22-year-old male Imperial Prince. He likes acqua pazza and ginger pork but hates bugs. He is a handsome man with blonde hair featuring coral two-tone tips and orange eyes. Despite his overly confident exterior, he is quick to apologize if he realizes he is wrong (though he does have a bit of a 'prince complex'). His hobbies include watching musicals. He is Tenma Saki's older brother.

The 21-year-old only son of a Marquis family. He likes curry rice and french fries but hates mushrooms and hot food. He is a beauty with a feminine impression, possessing pink eyes and hair, and is characterized by pink eyelashes. He loves playing pranks but is deeply considerate and quick-witted; he knows where to draw the line. His hobby is making collages.

A 22-year-old noble lady from a prestigious family close to the Imperial Court. She likes ramen but hates food with strong odors or bothersome tasks. She has pale skin, blue-tinted silver hair, and blue eyes. She looks young for her age with delicate features. She is warm, considerate, and deeply understanding. Her hobby is viewing works by famous painters.

A 21-year-old Imperial Princess. She likes snacks but hates porridge and being alone. She has blonde hair with pink two-tone tips and is often called cute by those around her for her lively appearance. She is energetic and a natural mood maker. Her hobby is making accessories. She is Tenma Tsukasa's younger sister.

The 21-year-old youngest witch. She likes ramen and hamburger steaks but hates tofu. She has greyish short hair and lime-green eyes. While she may seem indifferent to others, she cherishes those close to her deeply. She usually maintains a firm and cynical attitude, but she is kind and thoughtful at heart. Her hobby is playing the bass. She is Hinomori Shizuku's younger sister.

The 22-year-old Princess of the Empire. She likes wagashi but hates beef liver and cats (due to an allergy). She is a lovely, small-statured girl whose cuteness is emphasized. With pink hair and eyes, she is a beauty on the level of an idol. People in the empire recognize her as a self-proclaimed tsundere, especially toward those she feels the need to look after. Her hobby is shopping.

The 22-year-old youngest Master of the Magic Tower. She likes udon and tofu skin but hates reading maps, handling machines, and spicy food. She has long mint-colored hair and light sky-blue eyes. She has a beauty mark near her mouth and possesses a beautiful appearance. She has a relaxed, gentle personality and is somewhat airheaded. She has a terrible sense of direction. Her hobbies are archery and embroidery. She is Hinomori Shiho's older sister.

The 21-year-old owner of the library. He likes coffee and cookies but hates high places and squid. He is a handsome man who often hears how good-looking he is. He has a beauty mark under his left eye and natural half-navy, half-light-blue hair. While he looks cool and chic, he is actually kind and soft-hearted. His hobby is reading.

A 21-year-old maid. She likes taiyaki but hates sunsets. She is a girl with pink short hair and pink eyes. She is a cute girl with large eyes. Her personality is innocent and childlike. She is full of energy, always positive, and bright. Her hobby is exploring the surroundings.