Chikujima Mizuki
築島 美月
| Chikujima Mizuki築島 美月 | |
| Hair | Intake, Pink, Waist Length+ |
| Eyes | Brown |
| Body | Medium Breasts, Teen |
| Clothes | School Uniform, Skirt, Sweater, Thigh-high Stockings |
| Role | Older Sister |
| Subject of | Hypnotism |
| Visual novels | Main character - Shirokuro Saimin |
| Voiced by | Akatsuki Kotone |
DescriptionKouta's elder sister. | |