Notebooks that foretell deaths, numerous urban legends, and murders with no clues... a series of strange incidents occur, and people are lead into a deep labyrinth of mysteries. Five fledgling teen detectives of the Dan Detective Academy, which was founded by the legendary and renowned detective, Morihiko Dan, work together to solve such difficult cases. Stealthily at work behind the strange incidents is an evil crime syndicate called the "Meiosei" (Pluto), it's a group of intellectuals who have long antagonized the Detective Academy run by Morihiko Dan. The five youngsters make their way forward a step at a time as they come face to face with death, clash with one another at times, reconcile, and deepen their friendship. This is a pop mystery drama series about youth friendship and adventure in the face of united efforts against dark forces.
(taken from DramaWiki)

Picture	Cast	As	Description
	Kamiki Ryunosuke	Kyuu	A bright, sweet and optimistic boy who is also a brilliant detective. Instead of competing with the other students from Q class, he selects to be a good friend and always has intentions to work together and protects them. Though sometimes he acts like a wimp, most of his friend consider him as the team leader. He has a good sense of judgement regarding to people. He has ever been kidnapped when he was 5th years old, and a very kind detective saved him at that time. This incident drives him to be a detective.
	Shida Mirai	Minami Megumi	She has a unique talent of having a photographic memory, allowing her to memorize a scene instantly. This allows her to notice if a piece of evidence has been moved or is missing. Unintentionally she always works together with Kyuu during each case.
	Yamada Ryosuke	Amakusa Ryuu	Ryu is very intelligent, and his dark and mysterious background somehow links him to the evil crime syndicate. Even with his cold personality he is still friendly with the other members of Class Q, and shares a special link with Kyu, since he was the first one who could understand him.
	Wakaba Katsumi	Narusawa Kazuma	Kazuma is a rich, well known computer games programmer. He often helps to find information on his laptop, which he carries around with him all the time. He is a very smart prodigy and always wears a hat all.
	Kaname Jun	Toyama Kintaro	Kinta is the strongest member of the class. He also has superb senses, especially his eyesight and sense of smell. His tough personality as well as his excellent senses have been very useful at times.
	Jinnai Takanori	Morihiko Dan	He is the founder and principal of Dan Detective School, and a famous detective who has solved many cases. Realizing that his days were numbered due to his injured he had when he's in duty, Morihiko Dan decided to open a new, special class called the Class Q, consisting of several extremely talented persons. He would train them, analyze each one of them, and appoint the best student of this class to be his successor.
	Yamamoto Taro	Nanami Kotaro	Nanami Kotaro is Morihiko Dan assistant in Dan Detective Academy, he's in charge to takes care and trains students in Q class. His hobby is disguise himself by using strange outfit. And he always shows up so sudden, when nobody notice it.