Nanakusa Mayumi: Who else did you not tell me clearly? Sanjo Noharuhime: I am not talented, please give me more advice. Hime Fuyuyukina: Teacher, you are such a filthy person. Sylvia: Thank you for helping me find the teacher.

Gu Changtian accidentally travels to the world of One Piece and is bound to the One-Punch Man Summoning System. In the One Piece world, he establishes the First Legion and continuously accumulates shock points.

Such a terrifying demon has crossed over into the world of One Piece. What will become of the One Piece world...?

"The Warring States period was terrifying; the First Legion members were all like monsters..."

Whitebeard: "Giants are the strongest men in the world..."

Redhead: "Oh no, my pride isn't working anymore..."

Garp: "Even my iron fist can't beat the First Legion..."

Kizaru: "No matter how much money you offer me, I won't fight the First Army..."

I thought that I had become a Yuuki Randou with a magic wrestling body, and since then I can enjoy various benefits.

But it’s not just the world of the bag queen.

There is Toyonozaki Academy, Sobu High School, the legend of Gensokyo Youkai, lazy angels and kind demons.

However, there is nothing special about the human beings on earth today, they are all ordinary people.

So Yuuki Rito became a godslayer. (This story and characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.) …