Cannon Fodder's Dream [Quick Travel]

Copywriting: After Yu Nian died, he was bound to a system to help others fulfill their wishes, gain merit, and then return to his own world. He is a cannon fodder in every world. Yu Nian: I have a dream to raise a villain. Then his dream came true. World 1: The heroine's stepping stone in the 1970s novel. (Not only is he a cannon fodder, but their whole family is also a cannon fodder and villain) (tentative)