One Piece: Starting with Nami, I Make Up for Lost Chances

[System + Slow-Burn + Making Up for Regrets + Some Characters May Act Out of Character.]

(It takes off after Chapter 10.)

Help Nami through her childhood, so she can live with Bellemere and Nojiko forever.

Help Robin through her childhood, so her hometown is never destroyed and she never has to bear the title of Devil Child...

Help Sanji through his childhood, so he no longer suffers under his family's oppression...

Chen Yan helps one person after another overcome their regrets, but these regrets are all just a matter of changing history.

Nami: "Brother Xiaoyan, why have you barely changed at all after all these years?"

Robin: "Brother Chen Yan, thank you for saving my childhood and bringing the Void Century to light..."

Chen Yan transmigrates to the world of Pirate King, completing one instance after another, but these instances change all of history as it exists today.

Note: I'm not good at writing blurbs, so I can only ask readers to check out the book and see for themselves!

Nami arc (Chapters 1-18)

Robin arc (Chapters 18-35)

Battle arc (Chapters 36-44)

Chopper arc (Chapter 44 onward)