Zhou Yunran always thought that Ling Xiaohan only used him as a tool to vent, and Ling Xiaohan also always thought that Zhou Yunran regarded him as a financial sponsor. Only later did he realize that he had already been deeply involved...
Sadomasochism + extreme pulling + possessiveness + double cleansing + HE
PS: I won't follow the slap-in-the-face routine. The female protagonist is not romantically inclined and only wants to pursue a career. The male protagonist is a bit of a scumbag and a bit sadistic.