Principal
校長先生
| Principal校長先生 | |
| Aliases | Kouchou-sensei |
| Hair | Grey, No Bangs, Thick Eyebrows |
| Eyes | Black, Hosome |
| Body | Adult, Overweight, Pale, Short (obsolete), Wrinkles |
| Clothes | Necktie, Suit |
| Role | Principal, Teacher |
| Visual novels | Side character - Rejuvenescence |