The husband who runs a small local factory was prototyping rocket engine parts. "Someday, we want to launch a rocket with an engine that we made…" This was the husband's dream and also his wife Sanao's dream. One day, they received contact from Musashino Heavy Industries, a major corporation. They wanted to purchase the patent for the indispensable plug system created by the husband for 2 billion yen to use in rocket launches. Between the husband's dream and 2 billion yen, Sanao, who handles the accounting for the local factory, made her decision…
