| Hair | Black,Short,Spiky Bangs |
| Eyes | Hidden |
| Body | Pale,Slim,Teen |
| Clothes | Shirt,Sweater,Trousers |
| Items | Laptop,Mobile Phone |
| Personality | Friendly,Genius,Gloomy,Kind,Ore,Proactive |
| Role | Friend,Full Brother,High School Student,Inventor,Orphan,School Martial Arts Club Member,Wealthy,Younger Brother |
| Engages in | Investigation,Shopping,Teasing |
| Subject of | Amnesia |
| Visual novels | Protagonist -Brother Form: Hitomi Hen
Protagonist -Brother Form: Maki Hen
Protagonist -Brother form: Rumi Hen |