Sakamoto Yumi
坂本 由美
| Sakamoto Yumi坂本 由美 | |
| Aliases | Miyu |
| Hair | Black, Shoulder-length, Twin Tails, V Bangs |
| Eyes | Tareme, Violet |
| Body | Kid, Pale, Slim, Small Breast Sizes |
| Clothes | Pleated Skirt, Rubber Band With Beads, T-shirt |
| Role | Younger Sister |
| Visual novels | Main character - Imouto no Hitori Ecchi |
| Voiced by | Tsugaru Ringo |