Superman Mixed in the World of Pirates

In the naval camp, if you don't start in the Invincible style, you will have all the abilities of Superman, but you need to awaken them as the plot progresses. In addition, this book is not a harem. "The Iron Fist of Love~" "Bang bang bang bang" Garp's fist hit the four children's heads in turn. Ace, Will, Sabo and Luffy soon each had a bulge on their heads, radiating heat. "Again, what do you want to be when you grow up?"