火と水のミステリーツアー（阿蘇編）

In a dark room, a thief is frantically looking through an office for something. When he finds it, he smiles and cut opens a bear. The next day, the Detective Boys went to Kumamoto with Ran and Kogoro for a sightseeing trip. Kumamoto is known as the capital of water for its amazing water sources, but is also known as the country of fire for its volcanoes.