Jacob
ヤーコブ
| Jacobヤーコブ | |
| Aliases | Jacob the bros. (brother) |
| Hair | Red, Short |
| Eyes | Green, Hosome |
| Body | Overweight, Young-adult |
| Clothes | Glasses, Shirt |
| Role | German, Older Brother, Younger Brother |
| Visual novels | Side character - Cannonball ~Neko Neko Machine Mou Race!~ |