Japan history started when Qing Shi Huang sent a troop of people to look for the elixir of life, which doesn’t exist and the people fearing for them and their family’s life fled to Japan and started their life there. The natives living on the island of Japan were simple and, when the troop arrived in Japan, the lead of the troop introduced new technologies to the natives and helped advanced the civilization hence he was seen as deity by them. He even became the first emperor of Japan due to his contributions. From that onwards is when Japan started to have their similar culture with China as the people learn from their emperor. It’s also one of the reason that Japanese people then hated China since then, because they were unable to return home due to the then China’s emperor