Overview
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".
| Actor | Age then | Age now | |
|---|---|---|---|
 | 42 | 52 | |
 | 39 | 49 | |
 | 34 | 44 | |
 | 39 | 49 | |
 | 30 | 40 | |
 | 55 | 65 | |
 | 27 | 36 | |
 | 33 | 43 | |
 | 24 | 33 | |
 | 21 | 31 |