Aiba Kazumi
相羽 一海
| Aiba Kazumi相羽 一海 | |
| Hair | Blue, Short |
| Eyes | Blue |
| Clothes | Hairpin, Headband, School Uniform |
| Personality | Refined, Smart |
| Role | High School Student, Popular, Senpai, Shinigami, Student Council President |
| Visual novels | Main character - Kanojo wa Tenshi de Imouto de |
| Voiced by | Tsukino Kiiro |