Don't Laugh! There Is a System and We Are Different

On this day, I finally have a system and am about to start a different life. What? The system lacks functions, but it can travel through all the worlds. The tasks are set by me, and the rewards are mine. Come to the world of Big Head Son, give Chunfeng Laowang a beating, and gain the ability to walk through walls; Come to the world of Calabash Baby, transform into the Scorpion King, and gain the ability of Calabash Baby; Come to the world of Jingwu Heroes, transform into Senior Brother Chen Zhen, and harvest Mitsuko Yamada; Come to a world of mixed martial arts, where various martial arts heroes and members of the main god team compete with each other. A crazy brawl began, Who is the most powerful martial arts character, and which team of the main team will win in the end... This is the story of a great devil traveling through all the worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.