An assistant professor of Udo University's biology department.

While eating lunch by the swamp located on Udo University's campus, Professor Poppen's wristwatch suddenly stops. A strange and life threatening adventure begins as the professor transforms into various wild life of the swamp. Will he ever be able to return?
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Based on the children's book series by Yoshihiko Funazaki called Poppen-sensei, which follows an assistant biology professor at Udo University who gets wrapped up in his fantasies of nature. 