| Aihara Sayuki藍原 沙雪 |
| Hair | Blue,Parted to Side,Sidehair,Straight,Waist Length+ |
| Eyes | Green,Tsurime |
| Body | Big Breasts,Pale,Teen |
| Clothes | Maid's Dress,Micro Bikini,Naked Apron,Nightgown,Over The Knee Socks,Sailor School Uniform,Sports Swimsuit,Transparent |
| Personality | Brother Complex,Relaxed |
| Role | High School Student,Non-blood-related Sister,Older Sister,Senpai,Student Council President |
| Engages in | Cosplay |
| Subject of | Pregnancy |
| Visual novels | Main character -Coo-Ane! ~Cool na no ni Betabeta ni Aishite Kureru Onee-chan ni Mechakucha Amaete Kozukuri Zanmai♪~ |
Safe / Tame (14)