A daughter of the prestigious Nioteel family. She charms people with her lovely appearance and skillful speech. To condemn Guest, she prepares a succession of evidence and witnesses to corner them.

The First Prince of the kingdom. A calm and collected judge presiding over the condemnation. He values evidence over emotion and believes in fair judgment.

The silent and intellectual Second Prince. Quiet and observant, he is a theorist who never loses his cool in any situation.

The free-spirited Third Prince. Social and popular with women, he is good at reading the room. He has a personality that speaks his mind honestly.

A young man from a Baron family on the brink of ruin. Timid and easily pressured, he is a hard worker who constantly worries about what others think.

An excellent butler serving the princes. He is polite and his work is perfect. His observation skills and attentiveness are highly regarded even within the royal palace.

An apothecary serving the royal palace. He has a strong desire for pharmaceutical research, and his knowledge of plants and chemicals is among the best in the country.

A Royal Guard protecting the castle. A capable individual in charge of scene investigations, he possesses excellent observation and analytical skills.

The scion of a prestigious Duke's family. A fine young man of good conduct who is popular in social circles. He is liked by everyone for his elegant demeanor and friendly personality.