The Demon King almost succeeds in conquering the magical world, but gets defeated by the Hero and flees to modern day Tokyo. Without the skills to survive in human society, the Demon King's struggle to survive begins.
Adapted from the light novel series of the same name.
Spin-off:
Hataraku Maousama! High School! ( http://www.batoto.net/comic/_/comics/hataraku-maousama-high-school-r6242 )
