Milim who was a big fan of One Piece, decided ask rimuru to create the One Piece world and decided to go there with her fellow demon lords! How would octagram fit in in this world that full of pirates and monsters??

To prevent the world from getting destroyed by the bomb entity Zero-Nine, all of the immortal gods, including Rimuru, have to sacrifice themselves. As a result, they were sealed along with the bomb. Now after a 100,000 years have passed, the world is now a completely different place, with no sign of anyone from the old world anywhere. They all died due to war or passage of time. In this new world, Rimuru awakens. What will he do now? This story is a part of DCS verse.