Global Survival in a Cabin: Is It Really That Hard? I Sign In for Doraemon

[Everyone Struggles to Survive + Farming + Dungeons + Disasters + No Saintly Heroics + No Female Lead] When humanity woke up, everyone had entered a wooden-cabin survival world. Fog surrounded them outside, danger lurked everywhere, and people died in accidents every moment. But Cao Zhengqian got a Doraemon who could give him sign-in rewards. [Ding! Sign-in successful. Obtained a Magnifying Light.] [Ding! Sign-in successful. Obtained Momotaro's Dango of Submission.] [Ding! Sign-in successful...] What? There's not enough food? I'll use a Magnifying Light to enlarge my bread. There's more than I could ever finish. What? The wild monsters are too fierce? One Momotaro dango and it becomes my pet. Is survival really that hard? I think it's going pretty well.