Katase Rika
片瀬 梨花
| Katase Rika片瀬 梨花 | |
| Hair | Brown, Short |
| Eyes | Green |
| Body | Pale, Teen |
| Clothes | Miniskirt, New Type School Swimsuit, Pajamas, String Ribbon Tie |
| Personality | Mature, Serious, Smart |
| Role | Daughter, Younger Sister |
| Visual novels | Side character - Nami no Mani Mani ~Sazanami Shinryoujo~ |
| Voiced by | Akizuki Mai |