Overview
Seiji Hasumi is a popular English teacher in a private high school. He is also a violent and sociopathic killer who concocts an extreme plan to deal with the rise of bullying and bad behavior among the student body.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 37 | 50 | |
 | 18 | 30 | |
 | 20 | 33 | |
 | 21 | 34 | |
 | 20 | 33 | |
 | 19 | 32 | |
 | 20 | 33 | |
 | 29 | 41 | |
 | 47 | 60 | |
 | 38 | 51 |