Hayami Juuzou
速水 十三
| Hayami Juuzou速水 十三 | |
| Hair | Curtained, Grey, Parted to Side, Short |
| Eyes | Blue, Grey, Heterochromia |
| Body | Pale, Slim, Teen |
| Clothes | Blazer School Uniform, Glasses, Necktie |
| Personality | Timid |
| Role | High School Student |
| Engages in | Kendo |
| Visual novels | Protagonist - Demon Parasite ~Akuma no You na Tenshi no Kanojo~ |
| Voiced by | Nomura Katsuhito |