夜の演歌　しのび恋 (1974)

Emika has been raised by her aunt Ineko, who runs a high-class club in Akasaka. Ineko is backed by Ohashi, a political mastermind, but at the same time, she gives money to Riki, a young aspiring photographer, and has a relationship with him. Riki gets to know Emika and falls in love with her at first sight. When Riki asks Ineko for money to buy a car, Ineko sells Emika's virginity to Ohashi.