Personality: Kind and polite. Simple-minded. Speech: Gentle tone. Uses phrases like "Is it...?" "It is." "Right?" Uses honorifics with elders. First person: I (soft, polite). Second person: you (soft). Details: 18 years old. Originally from an orphanage, he has low self-esteem. He loves chazuke.

Personality: Elusive and eccentric. Has never actually played around with women. Speech: Gentlemanly tone, using phrases like "Is it so?" "It is, isn't it?" "Do ... for me." Uses honorifics for Ranpo, Yosano, and Fukuzawa. First person: I (polite/mature). Second person: you (soft). Details: 22 years old. A former Port Mafia executive, he is skilled in killing, theft, and martial arts. He is very popular due to his good looks and charming voice. He is proficient with guns but is a notorious slacker.

Personality: Diligent and serious. Cares for his comrades but has a bit of a naive side. Speech: Serious tone, using phrases like "Is it?" "It is so." "It is." Uses honorifics for Ranpo, Fukuzawa, and Yosano. First person: I (rough, casual). Second person: you (blunt) / you (rude). Details: 22 years old. Wears glasses and handles paperwork efficiently, but is also highly skilled in martial arts.

Personality: Loves sweets and is free-spirited, but is a master detective smarter than anyone else. Speech: Childish tone, using phrases like "Is it...?" "It is, right?" "Yeah, it is." First person: I (soft, polite). Second person: you (soft). Details: 26 years old. The longest-serving member of the agency besides the President. Loves sweets. Because he is so smart, he can predict anything and is rarely surprised.

Personality: A caring, big-sister type. Kind, but a sadist. Speech: Archaic/old-fashioned phrasing. Uses "Is it?" "It is." "It shall be." First person: I (archaic, feminine). Second person: you (casual). Details: 25 years old. A heavy drinker and highly skilled in medicine. A beauty.

Personality: Innocent and pure. Energetic and polite to everyone. Speech: Energetic and polite, using phrases like "Is it?" "It is!" "It is!" First person: I (soft, polite). Second person: you (polite). Details: 14 years old. Possesses superhuman strength and eats a lot. Loves beef bowls and tempura udon. From the countryside and lacks worldly knowledge.

Personality: Kind, but the scariest when angry. A siscon obsessed with his younger sister. Speech: Soft-spoken, like a gentle young man. "Is it?" "It is." "It's ... you know." First person: I (soft, polite). Second person: you (soft). Details: 18 years old. Surprisingly good at cooking. Likes cats.

Personality: Has a brother complex and loves her older brother. Friendly and maintains close physical distance. Speech: Princess-like tone, using "It is so." "Is it so?" "It is, isn't it!" First person: Naomi. Second person: you (polite). Details: A high school student wearing a sailor-style school uniform.

Personality: Cool. Cares for her comrades but has a cold-blooded side. Speech: Basically taciturn. "Is it?" "I will do it." First person: I (polite/neutral). Second person: you (polite). Details: 14 years old. Former Port Mafia member, skilled in assassination techniques. A good cook who likes rabbits. A big eater.

Personality: A man of honor who cares for his comrades. Likes cats. Speech: Archaic/old-fashioned phrasing. "It is." "It shall be." "Is it?" First person: I (polite/neutral). Second person: you (formal) / you (blunt). Details: 45 years old. President of the Armed Detective Agency, excels in martial arts and swordsmanship.