Samejima Arata
鮫島 改
| Samejima Arata鮫島 改B | |
| Measurements | Height: 175cm, Weight: 61kg |
| Birthday | 4 August |
| Hair | Braid, Grey, Long, No Bangs |
| Eyes | Blue |
| Body | Dark, Teen |
| Clothes | Hair Tie, Leggings, Tracksuit |
| Personality | Arrogant, Idiot, Jibun, Taciturn |
| Role | Rival, School Sports Club Member, Twelfth Grader |
| Engages in | Athletics, Competition |
| Visual novels | Side character - Prince of Stride |
| Voiced by | Kawanishi Kengo |
DescriptionA third-year at Ichijyoukan High School. He is part of three idiots' group who are also Yuri's henchmen. However, out of three idiots, he is smartest one. | |