Sumika Mei
澄川 冥
| Sumika Mei澄川 冥 | |
| Hair | Blunt Bangs, Brown, Long, Twin Braids |
| Eyes | Brown |
| Body | Pale, Teen |
| Clothes | Pajamas, Pinafore Dress, School Uniform, T-shirt |
| Personality | Timid |
| Role | High School Student, Kouhai, Precog |
| Visual novels | Main character - Seven Piece! ~Ochiteyuku Shoujo-tachi~ |
| Voiced by | Kinohara Sayaka |