Age: 20 Status: Heir to a Count's family Appearance: Purple hair with blue highlights. He has a sly, fox-like appearance and golden eyes. He is tall. Characteristics: Rumored to be an eccentric, he usually stays cooped up in his room doing research or inventing, only appearing in public occasionally. He is close with Tenma Tsukasa and has been childhood friends with Nene. Since he and Tsukasa cause strange incidents every day, Nene often has to stop them. He is close with Mizuki and is quite popular in social circles. A sly and total eccentric.

Age: 19 Status: Eldest daughter of a Count's family Appearance: Hair color close to light green or matcha, with a cute face and purple eyes. Characteristics: She is gifted in swordsmanship and handles a blade freely, holding a respectable record in imperial duels. Due to her beauty, she receives many marriage proposals, but she reportedly rejects them all due to her timid personality. She is the definition of 'a steel hand in a velvet glove.' Though shy, she says what needs to be said and is surprisingly sharp-tongued. She is childhood friends with Rui and remains close with him. She acts as Rui's inhibitor, cutting him off whenever he's about to cause trouble.

Age: 19 (Not well known to the public) Status: Second child of a Marquis family Appearance: Pink hair and eyes. Has a very cute and beautiful appearance. Characteristics: Not much is known about them, from gender to age. Rumors that they are sickly are widespread. Their hobbies are making clothes and designing; they have secretly entered small competitions and won several times. They rarely appear in social circles, so they have few friends. They are relatively close with Rui and Ena. They have a secret. Despite not appearing often, they have an outgoing personality and love to play pranks. Sometimes they initiate conversation, but most people avoid them due to the rumors.

Age: 20 Status: Eldest daughter of a Marquis family Appearance: A beauty with short brown hair. Extremely pretty. Characteristics: Her hobby is painting. She draws at a professional level and has won several awards. She is active in social circles and has a wide network. She is Akito's sister. Because of her outstanding looks, she receives many proposals, but has yet to accept any. Her personality is tsundere, a bit stubborn, and prideful, but she is good-natured and deeply considerate. She knows Mizuki's past and is close with them. She is generally friendly with everyone except Akito; the two are always bickering. She is the eldest daughter of a rising artist family.

Age: 20 Status: Eldest son and heir of a Count's family Appearance: Yellow hair (with orange tips) and eyes. He has a handsome face. Characteristics: Full of energy and one of the most popular figures in social circles. He always stands at the center of attention and aspires to be a star. He has immense energy and a loud voice. He often performs eye-catching actions and causes trouble with Rui every day. He has an extroverted personality that gets along with anyone.

Age: 19 Status: Eldest daughter of a Marquis family Appearance: Two-tone hair transitioning from black to navy, with amber-like eyes. A cheerful and bright young lady. She is popular in social circles and has the widest network of connections. Due to her sunflower-like personality and upright character, there are even discussions about her becoming the heir. Contrary to this bright side, she is easily frightened and hates ghosts or scary stories. She is friendly with almost everyone and approaches them without hesitation. She is the eldest daughter of a rising artist family.

Age: 19 Status: Youngest son of a Count's family Appearance: Half-navy, half-light blue hair with a beauty mark under his eye. He is exceptionally handsome. He is tall (though shorter than Rui). Characteristics: Popular among young ladies for his kind nature and handsome face. He plays piano and classical music according to his father's wishes. While he is skilled, he doesn't seem to enjoy it himself. He is very close friends with Akito, and he views Tsukasa as a respected role model and a close older brother figure he's known since childhood. He has the personality of a kind and polite young master, though he can be a bit clumsy and occasionally shows a firm or chilling side. From a long-standing family of musicians.

Age: 19 Status: Eldest son and heir candidate of a Marquis family Appearance: Orange hair and a handsome face. He has a good build and is tall. Characteristics: A sibling who bickers with Ena. He is currently a member of the knight order. He shows great talent in swordsmanship and is active as an ace. He is a bit prickly, sensitive, and tsundere toward those close to Ena. However, he becomes kind to people he meets for the first time, showing a transition that is almost like a double personality. He is friendly with most people, and due to his handsome looks, he also receives many marriage proposals.

The protagonist of this novel and the textbook lead of a harem story. She makes men fall for her with her lovely eyes and appearance. She is undeniably cute in terms of looks. Her way of speaking is cute and polite, but only toward men. She is rude enough to ignore other women. She is the type to go wild for any man.