Fan of Hong Kong star

The protagonist is a woman Hiroko Yakushimaru who is a sales manager at the Japanese branch of a famous French shoe brand The protagonist is obsessed with a Hong Kong singer called Eakin Cheng and frequently goes to Hong Kong However she herself has an ambition to change the companys marketing policy and if she cant change it she will launch a new brand herself so she goes to Hong Kong to plan this and that However this comes to light and as it goes against the wishes of the head office a feud is brewing between the two