A 21st-century online article author used the system to travel back in time to a 16-year-old boy in the 1960s. His original family was isolated by the villagers for some reasons. Zhang Shuguang, who traveled back in time, relied on the golden finger external trading system that comes standard with time travellers. He collected valuable antiques and sold them to the system to earn gold coins, which enabled the original owner's family to live a good life during the famine years and eat a lot of food.
The story is so beautifully written