| Iiyama Yumi飯山 ユミ | |
| Hair | Orange, Shoulder-length |
| Eyes | Green |
| Body | Huge Breasts, Pale |
| Clothes | Blouse, Pendant Necklace, Pinafore Dress, Ribbon Headband |
| Role | Older Sister |
| Subject of | Pregnancy |
| Visual novels | Main character - Man'in Chijo Densha 3 ~Chijo Forever~ |
| Voiced by | Konoha |
| Iiyama Yumi飯山 ユミ | |
| Measurements | Height: 167cm, Bust-Waist-Hips: 87-56-87cm |
| Hair | Orange, Shoulder-length |
| Eyes | Green |
| Body | Big Breasts, Pale, Teen |
| Clothes | Headband, Maid's Dress, Ribbon Headband, Ribbon Tie, School Uniform |
| Personality | Brother Complex |
| Role | High School Student, Older Sister |
| Visual novels | Main character - Man'in Chijo Densha ~ Hosoi Yubi de Shigokanaide Main character - Man'in Chijo Densha 2 ~Ane to Futago to Hitozuma to~ |
| Voiced by | Konoha |