Ep. 13: Estudante universitário encontra caminho subterrâneo misterioso durante forte tempestade

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A college student is caught in a sudden rainfall on the way home from a night out drinking. He attempts to take shelter until the rain stops, but discovers an underground path to the train station and heads down it. A bit ahead of him in the dark, empty passage, he spots a man in what looks like a construction worker's uniform, who tries to lead him down a side path that leads away from the station... (Source: Crunchyroll)