I am Kenji, the youngest son of the Sasaki family (played by Kai Inoshibaru), and I have a secret that I can't tell anyone - I am secretly practicing the piano. My father Ryuhei (played by Teruyuki Kagawa), as the head of the family, works hard for all of us and goes out every day wearing a neat suit. He thinks I'm still a child and is not very willing to listen to me. My mother Kei (played by Kiiko Kishida) is very gentle, but when she made donuts for...