Yui receives a threatening letter and later becomes the target of blackmail. Kiriko follows Yui and Sayoko to the theater. However, the real target of the Skull Man is Sayoko, who turns out to be a mutant.

A dead body hung from a railroad bridge makes Hayato investigate the legend of the Phantom Monorail. However, once on board, he becomes the target of the Skull Man.

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We don't have an overview translated in English. Help us expand our database by adding one.