Demon Beast Invasion

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Demon Beast Invasion
Demon Beast Invasion.jpg
Cover of the first manga volume
(Yōjū Kyōshitsu)
Genre Horror, Erotica
Written by Toshio Maeda
Published by Wani Magazine
English publisher
Original run May 1989August 1989
Volumes 3
Original video animation
Licensed by
Released May 25, 1990May 27, 1994
Runtime 40 minutes each
Episodes 6
Original video animation
Demon Beast Resurrection
Licensed by
Released November 17, 1995September 13, 1996
Runtime 30 minutes each
Episodes 4
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Demon Beast Invasion (妖獣教室 Yōjū Kyōshitsu?) is a manga series written and illustrated by Toshio Maeda, published by Wani Magazine. The series was adapted into a six-part original video animation of the same name in 1990, followed by Demon Beast Resurrection (妖獣教室外伝 Yoju Kyoshitsu Gaiden?) in 1995.


Earth is being invaded by a race of unclean beasts who wish to take over the planet. However, since Earth's environment is hostile to the demons they hatch a plan to impregnate as many human females as possible in order to create a race of human/demon hybrids which will rule the Earth by proxy. But the "Interplanetary Mutual Observation Agency" sends a duo of enforcers to Earth to hunt down and destroy the alien race they call the "demon beasts".

After the third episode the plot changes to "the offspring" repeatedly finding ways to resurrect and looking for his mother, only to be defeated in a "monster of the week" style, but still with hentai themes.


In 1999, Jesus Castillo, a clerk at Keith's Comics in Dallas, was charged with promoting obscenity for selling an issue of the Demon Beast Invasion manga to an undercover officer. He was fined $4000 and sentenced to one year of unsupervised probation after the original six-month prison term sentence was suspended.[1]


  1. ^ "On Probation for Selling Comics". ICv2. 2003-08-04. 

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