Oslo Suwen

Osrow Suwen ( オスロー・スーウェン) is the representative of the Swein's firm and Otto's older brother.

Personality
As the representative of the Swein's firm, he possesses a toughness which suits well for his stature. He often worries about Otto, but has confidence his brother will be able to figure things out for himself, showcasing a willingness to place his faith in his family.