Mizuuchi Tsukasa
水内 ツカサ
| Mizuuchi Tsukasa水内 ツカサA | |
| Measurements | Height: 171cm |
| Birthday | 16 April |
| Hair | Black, Short |
| Eyes | Blue |
| Clothes | Cape, Necktie, School Uniform |
| Items | Sword |
| Personality | Hard Worker, Kind, Nature Lover |
| Role | Student |
| Engages in | Kendo |
| Visual novels | Protagonist - Ryuu-Koku |
| Voiced by | Takahashi Naozumi |