Seven years ago, the Sailing rocket failed its test flight, and engine developer Hiroshi Tsuchihiro (played by Kan Abe) resigned as a scapegoat. He then returned to his hometown to inherit his father's Tsuchihiro manufacturing plant. Due to his resentment towards the events of that year, he invested a large amount of research funds in the development of new engines and valves, which led to manufacturing difficulties
Seven years ago, the Sailing rocket failed its test flight, and engine developer Hiroshi Tsuchihiro (played by Kan Abe) resigned as a scapegoat. He then returned to his hometown to inherit his father's Tsuchihiro manufacturing plant. Due to his resentment towards the events of that year, he invested a large amount of research funds in the development of new engines and valves, which led to manufacturing difficulties