Found some movie starring Chin Siu Ho and Yvonne Yung. I thought it's Circle of friends, but the crew are not the same as in Circle.

Film's title - 溝女古惑仔
Year - 1998
Cast and crew:
導演： 羅淇

製片： 鄭偉良

演員： 翁虹 Ewong Yung

編劇： 石秉真

演員： 錢小豪 Chin Siu Ho



Source: http://app.atmovies.com.tw/movie/movie. ... cmb5053959

The HKFA says it is "Circle of Friends". Maybe the movie has 2 different directors for its Taiwanese and Hong Kong editings. Added.