The heart of the manticor (One Piece ff)

English version
Marco x OC

A young woman in an inconspicuous pirate crew attracts the attention of the Whitebeard pirates in an unusual way.

Secrets come to light that might have preferred to remain secret after all. But what happens if Whitebeard wants this young woman in his crew, but she doesn't want to be, because she is already part of a crew? Who is this woman? How strong is it?
Will she still join the crew? What secrets are revealed? What secrets does it have?
Will Marco win her heart or will he remain stubborn?

WARNING: insults, violence, swearing! And possibly sexual acts.
Spelling errors are present.

I don't own any of the people in the story! (except Oc)