Who were the first civilized people to settle in japan

The first person to discover Japan is Nigini who was sent by a sun god Amasterasu. It was Jimmiu in 660 B. C. The first Civilized People to settle in japan were the paleolithic people, while they lived of the land of Japan

Although legend has it that Japan was founded in 660BC, archaeologists agree that settlement in the Japanese archpelago dates back as far as 100,000 years. The Jomon Period (8000-c. 300BC) is the earliest that has been studied. It is named after the 'jomon' or cord-marked pattern style of pottery of the period.