Double Clutch(1978)

Hiromi Go plays a high school student who need's a role model in his life badly. He's raised by his older sister played by Keiko Matsuzaka who is a hostess at a night club. She meets a man who becomes her boy friend. He races in a off road car rally professionally. The same man becomes Go's role model and teaches him sophisticated car driving technique. One of the technique taught is 'double clutch' ( Thus the movie's title Double Kuracchi ) to make gear transition smoothly between shifts. Through a misfortunate accident Matsuzaka's character dies and Go is left to fend for his life. Hiromi Go was a big pop idol in Japan when this movie was created. Both Go and Matsuzaka still enjoys high celebrity status in Japan.