If it's the Gwent mini game you are talking about afaik you have to defeat certain NPCs in a card game to get the cards that you are talking about. Also there a

If it's the Gwent mini game you are talking about afaik you have to defeat certain NPCs in a card game to get the cards that you are talking about. Also there are a lot of charecter cards not just women. Not to mention the fact that playing Gwent is completely optional in the game