The King of the Deep Sea, a Plea from the Hero Association

The One-Punch World was plagued by disaster. Even if you did nothing, natural catastrophes would strike, and monsters awakened by resentment or hatred appeared all the time. To survive here without overwhelming strength, you had to choose a safe city.

A place guarded by a dog, for instance, was said to be safer than even the Hero Association headquarters.

Since arriving in the One-Punch World, they had faced Mosquito Girl's attack, one bizarre monster after another, and a massive meteor that could have destroyed the world. It had nearly driven Uchiha Madara mad. Not a single day had been peaceful.

Today, the Hero Association headquarters sent an urgent request. The Deep Sea King had attacked City J and defeated most of the heroes there. Even Puri-Puri Prisoner, the lowest-ranked S-Class Hero, had fallen. They desperately needed a powerful S-Class Hero to stop him.

"In this world, we aren't bound by the rules of the One Piece World. Any power can be unleashed, because this world needs power."

"So how am I supposed to merge the worlds? Maybe I should try planting a tree?"

Uchiha Jobu pondered for a long time but could not figure out how to merge the worlds' rules. The One Piece World imposed restrictions: powerful people earned reputations to match. By gaining fame, he could gradually integrate ninja powers into that world.

But in the One-Punch World, there was no need to ease chakra into its rules. Its rules accepted every kind of power. This was a world where power was free to bloom.

Uchiha Madara hung up the phone. "Forget about planting trees. They say a powerful monster has appeared in City J. Want to come?"

Unlike Uchiha Madara, who lived for battle, Uchiha Jobu had rediscovered the joy of drinking cola, lounging in a computer