Tobe Rina
砥部 りな
| Tobe Rina砥部 りな | |
| Measurements | Height: 135cm |
| Hair | Short, Violet |
| Eyes | Violet |
| Body | Kid, Pale, Short (obsolete), Slim |
| Clothes | Clothing with Ribbons, Headband, Mini-dress, Pajamas, Swimsuit |
| Personality | Brother Complex, Genius, Taciturn |
| Role | Cousin, Full Sister, Researcher, Twin Sister, Younger Sister |
| Engages in | Swimming |
| Visual novels | Side character - Minamijuujisei Renka |
| Voiced by | Saki Yutaka |