Yu Pui Tsuen (1986)

Plot

Mei Yeung-sun, an unsatisfied scholar, struggles with his lackluster sex life alongside his beautiful wife, Ti Yuk-xiang. When he stumbles upon a family sex manual, their intimacy skyrockets, much to the dismay of Ti's father. After claiming he’s off to seek a bureaucratic position in the city, Mei actually embarks on a quest to seduce countless women across the countryside. Aided by master thief Tsoi Kwun-lung, he undergoes a radical enhancement, boosting his confidence. However, his escapades lead him to cross paths with Yim-fong, igniting fury in her brutish husband, Kuan Low-si.