I Seduced Straw Hats for Power and Pleasure

Cathie, a huge slut who worked in the sex business for money gets reincarnated into the world of One Piece. In a world where people rule with power and status is determined by the background, she was reincarnated into a body of a beautiful girl.
And by the stroke of luck, she managed to awaken the 'Supreme Slut System'. With no shame for indulging in sex with different people, she joined Straw Hats and made a goal to change the lifestyle of Straw Hats completely.
Using the power of her system and her own passion, she will make Straw Hats' relationship even closer than the original.
This is a story of a young woman who goes on a sex adventure where she would take action in bed, make harmony in the crew and change the lives of Straw Hats.