Tsuyoshi is a man who lives like he has nothing to lose and while he has no dreams of his own, he does everything he can to support the dreams of his wife, Miho Kijino. Tsuyoshi does have some issues with his confidence, as he sees himself as nothing special and is a bit timid at times. While he is a good worker, he is often pushed around by his boss and due to the misfortune effects of being a Donbrother, his ideas for his company are seen as mediocre at best and not recommended