Ep. 4: Ameaça de bomba na escola visa a cerimônia de entrada e os alunos da Classe Q

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Kyu, Megu, Kazuma and Kinta find themselves allocated to Q Class. Bent on revenge for failing the entrance exam, someone is threatening the school with bombs. They are caught, but a bomb detonates right where they are threatening Dan with another bomb, which is set to blow in another 10 minutes. Kyu and the gang decide to protect their dear school and Kyu deduces the location of the third bomb. Kyu and the rest are introduced to the building where their classes will be taken - it is the old building where Dan started his work as a detective. (Source: Wikipedia)