Isai Kazuma
威斎 一磨
| Isai Kazuma威斎 一磨 | |
| Hair | Blue, Shaggy, Straight, Twin Tails, Waist Length+ |
| Eyes | Hidden |
| Body | Pale, Slim, Teen |
| Clothes | Coat, Coke-bottle Glasses, Court Shoes, Cupless Corset, Furisode, Lace-up Shoes, Miniskirt, Necktie, Pleated Skirt, School Uniform, Shirt, Thigh-high Stockings |
| Items | Katana |
| Personality | Low Self-esteem, Mysterious, Relaxed, Taciturn |
| Role | Bodyguard, High School Student |
| Engages in | Swordsmanship |
| Visual novels | Main character - Moekoi Ishin! ~Atashira, JK, Shinsengumi!~ |
| Voiced by | Kasuga An |