With Japan having developed as a maritime nation, it becomes necessary to have specialized schools to teach skills essential to protect the sea. The setting is one such all-girls school. The girls who enroll...

Kyu's greatest desire is to become a detective. To fulfil his wish, he goes to take the entrance exam to get into the detective school run by Dan Morihiko, one of the most famous detectives ever! At the exam...

Two years after the events in Tantei Gakuen Q.