The if line of life in another world from scratch refers to the branch plot of the story. What if the protagonist of life in another world from scratch fails in the process of saving the world? In this if-line, the protagonist might eventually be trapped in a corner of the other world and unable to return to his own world. At this time, he might start to think about his life in the other world and whether he could succeed in this world. He might establish contact with other characters and try to find a way to return to his own world. In this process, he might discover some new clues and opportunities to change his fate in the Otherworld. If the protagonist fails, he may face many challenges and difficulties, including facing the cruel environment and creatures of the other world and solving his own problems. He might feel lonely and hopeless, but he might also grow and change in the process. If the protagonist can successfully save the world, he may return to his own world, but he may face new challenges and opportunities. He might find that he needed to change things to adapt to the new environment and situation. In the end, he might become a successful hero and create a better future for himself and the world.