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".
First Air Date: 2020-10-08
Last Air Date: 2020-12-31
Status: Ended
Number of Seasons: 1
Number of Episodes: 13