| Yagii Kuichirou八木井 貢一郎 | |
| Hair | Brown, Short |
| Eyes | Blue, Tareme |
| Body | Kid, Pale, Short (obsolete), Slim |
| Clothes | Hoodie, Shorts, Sports Shoes |
| Role | Friend |
| Visual novels | Makes an appearance - '&' - Sora no Mukou de Sakimasu You ni - |
| Voiced by | Yoshimura Cartman |
| Yagii Kuichirou八木井 貢一郎B | |
| Measurements | Height: 190cm |
| Birthday | 15 May |
| Hair | Brown, Short |
| Eyes | Blue, Hosome |
| Body | Olive, Tall (obsolete), Young-adult |
| Clothes | Belt, Sports Shoes, Trousers, T-shirt |
| Personality | Otaku |
| Role | Childhood Friend |
| Visual novels | Side character - '&' - Sora no Mukou de Sakimasu You ni - |
| Voiced by | Ishihara Keizumi |