It has a great description of the characteristic of the family members. It can convince you what reason that leads to the development of different characters of the two brothers. You can feel the strong bond between them. However, you can also feel the hopeless, heavy feeling stored inside the older brother's heart. He had no choice under wearing his elder brother role in traditional Japanese social value. You can, not only interested in finding the truth, but also the emotional change between the brothers. By the way, the theme song is beautifully written.