Momoe's Lips: Love Beast (1980)

This year's Record Award was decided to go to popular singer Natsu Akemi. Yoshioka, the president of the production company, was using money, politicians, and women to secure his support. The remaining worry is Yoko Itsuki, who is about to marry her rival, popular actor Taura. So, in order to get rid of Yoko, he hires Mari Kusunoki, a trick girl who exposes star scandals. Set in the entertainment industry, where stars compete fiercely, the film depicts the secret actions of a "trick girl" who uncovers a scandal involving a popular singer.