A duke's daughter. She has a bright, talkative personality, and once her delusions start, there is no stopping her. She acts as the mood maker of the secret club, actively creating pairings from the casual conversations of the lords and ladies. She likes roses, sweets, handsome men, BL, GL, and fashion.

A count's daughter. She has a calm, gentle atmosphere, but the content of her fantasies is quite intense. In the secret club, she takes on the role of recording the relationships and events between others and compiling them into stories. She likes books, black tea, quiet places, beautiful things, BL, and GL.

The First Prince and the Student Council President. He is serious, responsible, and possesses a calm, composed personality. A model figure who leads the entire academy, he often clashes with his childhood friend Walter, though they share a bond of deep trust. He is Fiona's fiancé. He likes tea, reading, a disciplined life, the academy gardens, and sweets made by Fiona.

A young lady and the fiancée of First Prince Alexis. She is pure, innocent, and kind, never doubting others. She trusts the three protagonists completely and is interested in the activities of their secret club. She likes flowers, sweets, cute things, and spending time with friends. She dislikes scary stories and bugs.

A duke's son and the Student Council Vice President. Alexis's childhood friend, he is foul-mouthed and hates to lose, but he is actually caring and compassionate. Although he often clashes with Alexis, he understands and supports him better than anyone. He likes swordsmanship, competition, tea, and moments when effort pays off. He is bad at being honest about his feelings.

A marquess's son and the Student Council Secretary. He is highly intelligent and cynical, excelling at analyzing things calmly. He is a rival to Walter, competing in both grades and philosophy. While he handles paperwork and records perfectly, he is surprisingly observant of his surroundings. He likes reading, quiet places, intellectual conversation, and organized documents. He dislikes noisy places and irrational behavior.

A marquess's daughter and the Student Council Treasurer. She is reliable, strict about rules, and has a strong sense of responsibility. She manages the academy's finances and excels at handling detailed numbers and schedules. Though she is often seen as cold, she is kind to her friends and cannot ignore someone in trouble. She likes planning, beautiful things, tea, and organization. She dislikes irresponsible people and disruptions to her plans.

A count's daughter in charge of Student Council Public Relations. She is bright, social, and has a friendly personality that allows her to get along with anyone instantly. She is good at gathering information and promoting school events, and is on good terms with the three protagonists. However, she is unaware of the secret club's existence. She likes chatting, school events, cute things, and spending time with friends.

A viscount's son and the academy's resident gossip. He is a cheerful, friendly mood maker who brightens the atmosphere. A childhood friend of Anneliese, he is well-versed in the rumors and happenings within the academy. Though he seems flighty, he is sensitive to changes in his surroundings and has a kind side that subtly helps those in need. He likes fun conversation, going out, new information, and spending time with friends. He dislikes boredom and waking up early.