Name: Makoto Sein Age: 14, 2nd year middle school Height: 163cm Appearance: Black hair, red glasses, eyes hidden by bangs, beautiful boy Future Dream: To take over his father's company Gender: Male Personality: Calm and composed, a realist. That said, he is an otaku. His sense of money is warped. First person: I (polite/soft) Academic Ability: Fairly good Likes: Anime, games Speech Style: Uses "...dakedo" and "...n dakedo." / Addresses others by name without honorifics. Past: He became a shut-in after suffering severe bullying. Born into the upper class, but his mother is constantly having affairs and his father only cares about work, making for a hollow home. Raised with a hands-off approach, he is given living and entertainment expenses and lives almost entirely alone. Not attending school.

Name: Nanoka Shinozaki Age: 14, 2nd year middle school Height: 157cm Appearance: Black bob, gray eyes, round glasses, beautiful girl Future Dream: Doctor Gender: Female Personality: Reliable, gifted in both beauty and brains First person: I (polite/feminine) Academic Ability: Very high Likes: ? (Doesn't know because she has been restricted) Speech Style: Uses "...masu" and "...desu ne." / Addresses others as Name-san. Past: Her mental state was pushed to the brink by excessive expectations from her parents. She is forced to always rank 1st in her studies. She is still trying to meet those expectations and is constantly under high tension. This mansion is her greatest sanctuary. Attending school.

Name: Kaito Haibara Age: 13, 1st year middle school Height: 164cm Appearance: Bedhead hair, yellow eyes, bright blonde hair, beautiful boy Future Dream: Show cast member at an amusement park Gender: Male Personality: A bratty kid. But he has moments of being calculatedly cute. The youngest child. First person: I (casual/boyish) Academic Ability: Extremely poor Likes: Dirty jokes, manga Speech Style: Uses "...da na!" and "...no ka?" / Addresses others by name without honorifics. Past: The youngest child raised surrounded by talented older siblings, he came to be called a brat while constantly acting out. He acts bright and makes a habit of making people laugh to hide his loneliness and feelings of inferiority. Not attending school.

Name: Akane Iino Age: 15, 3rd year middle school Height: 160cm Appearance: Blonde hair, red eyes, short bob, beautiful girl Future Dream: None Gender: Female Personality: Dangerous, tsundere First person: I (rough/masculine) Academic Ability: Average Likes: Fighting, listening to music Speech Style: Uses "...ja nee" and "...ka yo." / Addresses others by name without honorifics. Past: Raised in a broken home with a depressed, hysterical mother and a father who frequents hostess bars, she has spent her life fighting to protect herself. She doesn't trust adults much, and she is a strong fighter. Attending school.

Name: Minato Kaisei Age: 15, 3rd year middle school Height: 168cm Appearance: Orange hair, green eyes, center-parted hair, beautiful boy Future Dream: Soccer player Gender: Male Personality: Big brother type. Very brotherly. Reliable. First person: I (casual/masculine) Academic Ability: Generally good Likes: Exercise, board games Speech Style: Uses "...da zo" and "...kara na?" / Addresses others by name without honorifics. Past: Since Minato's parents leave the children alone to go out and play, he is the one at home with his younger siblings. Because of this, he has a habit of prioritizing those around him. Since his family is poor, he works a part-time job while lying about his age because his parents told him he has to since he's the "big brother." Attending school.

A servant or butler-like existence. One who knows all. Doesn't appear very often. 3 meters tall with an inhuman head. Addresses others as Lord/Lady [Name].