Traveling through countless worlds at the same time, the golden finger is actually myself

Yunfan, a pure person, a moral person, a person who never cheats.
"I, Yunfan, never cheat, becoming the strongest in the world depends on myself"
Find encounters in the dungeon: the highest ability value can only be SSS?I'm going to show you an EX today!
One Piece World: Want to use sea water to drown a person with this ability?The lord of this sea will create a big tsunami for you today!
Fairy Tale World: What can this hunter do with a small broken gun?Sun thief, eat my tail beast!
Pokémon World: Do you see the big 24K pure gold wings on my back? If you tell me I can't fly, try again!
Also known as: "If I knew it would be cheating, I would travel through", "The story about me and us becoming stronger in the infinite world"