One Piece: I Ate the Ocean Fruit Right at the Start!

One Piece - Logia Ocean Fruit - Three-Color Haki - Non-Saintly Protagonist - Hard Training. Swain accidentally crossed over into the world of One Piece. Driven by extreme hunger, he inadvertently ate the Ocean Fruit. From that moment on, his destiny changed completely. Guided by his 'father' Voli, he learned the Three-Color Haki and set off to become a pirate. After numerous adventures, he gathered a crew of powerful companions. He is the formidable rival Kaido has clashed with repeatedly. He is the strongest newcomer praised by Whitebeard. He is the pirate who gives Akainu endless headaches. He is the "God-Slaying Criminal" that the Celestial Dragons flee from in terror at the mere mention of his name.

"Let me be the one to stir up this era!"

Swain stood at the crossroads of the turbulent era.