I'm bad and I'm hitting a wall, primitive life requires hard work

Nishi Ichiki's soul traveled through time, and when he opened his eyes, he was stunned! Day 1: Did I travel through time to primitive society? One week: Oh, it's a primitive tribe in another world... One month: Why does this look like the Neolithic Age? Two months: Tongzi, get out of here! Look at what you have done? · To be honest, there is nothing more "new" than the Neolithic Age she traveled through... Damn it, you didn't say that it was difficult to start and you have to endure hardships! This other world is really crazy! · After being "beaten", Nishi Ichiki: Thank you for the invitation, the primitive transformation plan was very successful! · Eating Guide & Lightning Avoidance Guide: [-]. No CP, expected to be long, non-cool, not purely matrilineal and patrilineal...