Thought this was an interesting concept and couldn't find any good fanfiction, except for one that got discontinued, this is inspired after that. Fanfiction is inspired from "When the Tides Come In" by Dio Warwhal. Characters and settings belong to Eiichiro Oda. There will be no romance. This is an after-canon fic. I'll refer to marine Luffy ace M. Luffy or Marine Luffy, and pirate Luffy as P. Luffy or Pirate Luffy.