Aiba Kazumi
相羽 一海
| Aiba Kazumi相羽 一海 | |
| Hair | Shoulder-length, Violet |
| Eyes | Blue |
| Clothes | Hairpin, Headband, School Uniform, Unusual Hair Ornaments |
| Personality | Antisocial, Cynic, Kind, Mysterious, Quiet, Refined, Reserved, Smart, Stoic, Taciturn |
| Role | High School Student, Senpai, Shinigami, Unpopular |
| Visual novels | Main character - Kanojo wa Tenshi de Imouto de |
| Voiced by | Tsukino Kiiro |