Rai wakes up from 820-years long sleep and starts his new life as a student in a high school founded by his loyal servant, Frankenstein. But his peaceful days with other human students are soon interrupted by mysterious attackers known as the "Unions".

Cast:Akihisa Wakayama, Hiroki Yamada, Daishi Kajita, Youhei Hamada, Ryota Iwasaki, Kousuke Oonishi,

Genre:Animation, Action & Adventure, Sci-Fi & Fantasy, Comedy,

country:Japan, South Korea, United States of America,

Production:Production I.G, Naver Webtoon, Crunchyroll,