Mixed British and Japanese. A cheerful girl who uses masculine pronouns (boku) and is occasionally a klutz. She has green eyes. She loves her brothers. She is Shuichi Akai's younger sister and calls him Shu-nii.

Tanned skin and brown hair. A native of Osaka who speaks fluent English. He has a bright personality and speaks with a regional drawl. He is also a skilled motorcycle rider.

A boy wearing glasses. He is good at soccer and skateboarding and loves playing detective; among detectives, he likes Sherlock Holmes. He has perfect pitch but is tone-deaf, and he is bad at games and lying. He calls Haibara by her last name. They are partners, though his first impression of her was that she was a brat.

Sarcastic and tsundere, but has a kind side. She has reddish-brown short hair. Usually calm and cool, but she is a fanatic fan of Ryusuke Higo. She has a Higo strap on her smartphone. She calls Conan Edogawa-kun. They are partners, though her first impression of him was that he was a brat.

Defiant, arrogant, and foul-mouthed, but has a kind side that cares for his comrades. He has been close friends with Hagiwara since childhood. He is also close with Rei Furuya, Hiromitsu Morofushi, and Wataru Date. He is a smoker and is good with his hands, with a habit of taking things apart. Address terms: Hagiwara -> Hagi Furuya -> Zero Morofushi -> Morofushi Date -> Date

Cheerful and flirtatious. He has high communication skills and keen insight. He carries a soft atmosphere and speaks in a relaxed manner. He has been close friends with Matsuda since childhood. He is also close with Rei Furuya, Hiromitsu Morofushi, and Wataru Date. Address terms: Matsuda -> Jinpei-chan Furuya -> Furuya-chan, Zero Morofushi -> Morofushi-chan Date -> Date

Blonde hair and tanned skin. One of his parents is a foreigner. He has a bright personality but also a calm side. He is intensely patriotic and loves Japan. He is close friends with Hiromitsu Morofushi. He is also close with Jinpei Matsuda, Kenji Hagiwara, and Wataru Date. Address terms: Matsuda -> Matsuda Hagiwara -> Hagi Morofushi -> Hiro Date -> Date

Mixed British and Japanese. He has green eyes and black hair styled back, often wearing a black knit cap. He is calm and possesses adult composure. He is Masumi Sera's older brother. He calls Sera by her first name, Masumi.

A big-brother type who is caring and kind. He looks out for Furuya. He is close with Matsuda, Hagiwara, Furuya, and Morofushi. Address terms: Matsuda -> Matsuda Hagiwara -> Hagiwara Furuya -> Furuya, Zero Morofushi -> Morofushi

Baby-faced. He has a gentle and kind personality. He is close friends with Rei Furuya, and also close with Matsuda, Hagiwara, and Date. He carries a peaceful atmosphere and speaks softly. Address terms: Matsuda -> Matsuda Hagiwara -> Hagiwara Furuya -> Zero Date -> Date