He lost everything... but now he's back with his brothers to save them all. time travel AU. If you don't like it then leave it.

In one universe, Monkey D. "Straw Hat" Luffy gathered a crew of all sorts of characters. In this universe, he'll gather a significantly different crew. These ten new crew mates will follow their insane captain and try to survive all the trouble he drags them in. Welcome to the Crew of Supernovas. HIATUS

What happens when the Straw Hats are send back 12 years in time after their fight with Doflamingo. With Luffy involved it has to be absolute chaos.

Instead of eating the Gomu Gomu no mi, Luffy eats an unknown Mythical Zoan. With training from both Shanks and Garp during his childhood, Luffy's dream of being the freest man in the world is within his grasp. A smarter/stronger/darker Luffy. LuffyxHancock

When the Straw Hats are captured by Marine Scientists they are changed into Demons or demon forms of themselves. When they're all killed shortly after they reach Raftel and Luffy becomes King...they break the system and go back. Back to four months before Luffy sets sail. But...it's not just their minds...no their bodies and powers go back too. OP!StrawHats Nakamaship! M for safety

Another story based off TheVictor's "Once Again". Luffy loses his nakama and gets another chance. He gets sent back in time and gives his powers and knowledge to his younger self. Will he be able to save his nakama? Rated T just to be sure, slight OOC Luffy, smart Luffy, OP Luffy, slight LuffyxRobin.

After the aftermath of the war of the best, Luffy's heart gives out, because of it, he loses his devil fruit. Armed with a strong ambition and an unshakable resolve, a new Luffy intends to take on the New World. Godlike!Luffy; NewDF!Luffy; Luffy x Harem; M rated for: lemons, violence, and sometimes erotic writing. sakimichan art, please support the artist.

We know how self-inserts work. Somehow we get to become one of the fictional character or find ourselves into the stage. Well I got the former and as The MCU Godfather himself or in my case Godmother. I got mixed feeling about it, between waiting Infinity War and Thanos arrival or living as woman. At least I got to wear and fly with Iron Man armor out of this. Fem!SI/OC, Rule 63