Tantei Gakuen Q

A group of students from Class Q at Dan Detective School, an esteemed academy established by Japan's most renowned detective, Morihiko Dan, solve various mysteries through their school adventures. As they progress, they confront Pluto, an enigmatic organization known for devising nearly impenetrable schemes that only a few detectives can unravel. The series is authored under the pseudonym Amagi, Seimaru.