The Mystery of Big Boobs (1993)

Lan Hou and Hui Qi are two homely friends who work for a Hong Kong company. Lily is the head of their financial department and she uses her voluptuous body to climb the corporate ladder. After seeing that Lily's business and private life are booming just by showing off her figure, Lan decides to get into shape. However, to be really successful, she also needs a bigger bosom, so she decides to consult doctors, priests and mystics. Eventually she finds a solution to her flat chest problem.