From Storm in Heaven: 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, he meets Megu, Kinta, Kazuma, and Ryu as they all try to pass the gruelling three-part exam. Kyu wants to solve mysteries, and he gets his wish: his first real case appears in the midst of the exam.