Ladies Man is an achievement for convincing Mengyao to give you more information about the contents of the recovered data chip. It may be awarded only upon completing the associated objective created during Corporate Warfare, while fully conversing with Mengyao.
After getting the data chip, head back to Mengyao and choose Complete Quest.
Inquire into the chip before handing it over, and use the pheromones for a Beta type of personality, and Mengyao will give you some more insight on what's on the data chip.
- This achievement requires a fully upgraded CASIE augmentation.