Sekijima Miki
関島 美希
| Sekijima Miki関島 美希 | |
| Measurements | Bust-Waist-Hips: 84-55-83cm |
| Hair | Blunt Bangs, Brown, Long, Sidehair, Straight |
| Eyes | Teal |
| Body | Olive, Slim, Teen |
| Clothes | Pantyhose, Rubber Band With Beads, School Uniform |
| Personality | Kind, Outgoing, Smart |
| Role | Daughter, High School Student, Middle Sister, Step Sister, Triplet+ Sister |
| Engages in | Cleaning, Cooking |
| Visual novels | Main character - Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~ |
| Voiced by | Amamori Riko |
DescriptionThe middle triplet who is quite motherly. Her cooking skills are outstanding and she always makes meals for the protagonist when their parents are away. Because she has an "average" body, she doesn't have any kind of complex about it unlike Mika. | |