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".
Youhei Hamada (浜田 洋平, Hamada Yōhei, born May 9) is a Japanese voice actor from Kanagawa Prefecture who is affiliated with Arts Vision. His hobbies and special skills include playing the guitar, karaoke, performing, listening to music, reading, and playing shogi. His grandfather is Yoshio Hamada, a former professional baseball player and coach who played for the Kyuei Flyers.