Yuzuki-san Chi no Yon Kyoudai.

Family is everything. The four Yuzuki brothers lost their parents two years ago, and now work to raise themselves. Hayato, the eldest, then Mikoto, Minato, and young Gakuto. Hayato works and provides for the family. Mikoto is relaxed and calm. Minato is full of energy, and Gakuto is wise beyond his years. Together they live, learn, fight, and forgive as brothers should. Meet the Yuzuki family!